6.5
MEDIUM
CVE-2019-20503
usrsctp SCTP Out-of-Bounds Read Vulnerability
Description

usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.

INFO

Published Date :

March 6, 2020, 8:15 p.m.

Last Modified :

June 27, 2024, 12:46 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2019-20503 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-20503 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Usrsctp_project usrsctp
: Total Affected Vendor : 3 | Products : 3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-20503.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/May/49 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/May/52 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/May/55 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/May/59 Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0815 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0816 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0819 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0820 Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1992 Exploit Patch Vendor Advisory
https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html Third Party Advisory
https://crbug.com/1059349 Third Party Advisory
https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00013.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/07/msg00003.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/ Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202003-02 Third Party Advisory
https://security.gentoo.org/glsa/202003-10 Third Party Advisory
https://support.apple.com/HT211168 Third Party Advisory
https://support.apple.com/HT211171 Third Party Advisory
https://support.apple.com/HT211175 Third Party Advisory
https://support.apple.com/HT211177 Third Party Advisory
https://support.apple.com/kb/HT211168 Third Party Advisory
https://support.apple.com/kb/HT211171 Third Party Advisory
https://support.apple.com/kb/HT211175 Third Party Advisory
https://support.apple.com/kb/HT211177 Third Party Advisory
https://usn.ubuntu.com/4299-1/ Third Party Advisory
https://usn.ubuntu.com/4328-1/ Third Party Advisory
https://usn.ubuntu.com/4335-1/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4639 Third Party Advisory
https://www.debian.org/security/2020/dsa-4642 Third Party Advisory
https://www.debian.org/security/2020/dsa-4645 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
allpaca/chrome-sbx-db

A Collection of Chrome Sandbox Escape POCs/Exploits for learning

Updated: 5 days, 8 hours ago
801 stars 122 fork 122 watcher
Born at : Nov. 11, 2019, 12:28 p.m. This repo has been linked 61 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-20503 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-20503 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Jun. 27, 2024

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2020/May/49 No Types Assigned http://seclists.org/fulldisclosure/2020/May/49 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2020/May/52 No Types Assigned http://seclists.org/fulldisclosure/2020/May/52 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2020/May/55 No Types Assigned http://seclists.org/fulldisclosure/2020/May/55 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2020/May/59 No Types Assigned http://seclists.org/fulldisclosure/2020/May/59 Mailing List, Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2020:0815 No Types Assigned https://access.redhat.com/errata/RHSA-2020:0815 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2020:0816 No Types Assigned https://access.redhat.com/errata/RHSA-2020:0816 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2020:0819 No Types Assigned https://access.redhat.com/errata/RHSA-2020:0819 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2020:0820 No Types Assigned https://access.redhat.com/errata/RHSA-2020:0820 Third Party Advisory
    Changed Reference Type https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html No Types Assigned https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html Third Party Advisory
    Changed Reference Type https://crbug.com/1059349 No Types Assigned https://crbug.com/1059349 Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/03/msg00013.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/03/msg00013.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/07/msg00003.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/07/msg00003.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/ Mailing List, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202003-02 No Types Assigned https://security.gentoo.org/glsa/202003-02 Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202003-10 No Types Assigned https://security.gentoo.org/glsa/202003-10 Third Party Advisory
    Changed Reference Type https://support.apple.com/HT211168 No Types Assigned https://support.apple.com/HT211168 Third Party Advisory
    Changed Reference Type https://support.apple.com/HT211171 No Types Assigned https://support.apple.com/HT211171 Third Party Advisory
    Changed Reference Type https://support.apple.com/HT211175 No Types Assigned https://support.apple.com/HT211175 Third Party Advisory
    Changed Reference Type https://support.apple.com/HT211177 No Types Assigned https://support.apple.com/HT211177 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT211168 No Types Assigned https://support.apple.com/kb/HT211168 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT211171 No Types Assigned https://support.apple.com/kb/HT211171 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT211175 No Types Assigned https://support.apple.com/kb/HT211175 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT211177 No Types Assigned https://support.apple.com/kb/HT211177 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4299-1/ No Types Assigned https://usn.ubuntu.com/4299-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4328-1/ No Types Assigned https://usn.ubuntu.com/4328-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4335-1/ No Types Assigned https://usn.ubuntu.com/4335-1/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2020/dsa-4639 No Types Assigned https://www.debian.org/security/2020/dsa-4639 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2020/dsa-4642 No Types Assigned https://www.debian.org/security/2020/dsa-4642 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2020/dsa-4645 No Types Assigned https://www.debian.org/security/2020/dsa-4645 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:usrsctp_project:usrsctp:*:*:*:*:*:*:*:* versions up to (excluding) 2019-12-20 OR *cpe:2.3:a:usrsctp_project:usrsctp:*:*:*:*:*:*:*:* versions up to (excluding) 0.9.4.0
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
  • CVE Modified by [email protected]

    Jul. 07, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/07/msg00003.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 11, 2020

    Action Type Old Value New Value
    Added Reference https://support.apple.com/HT211177 [No Types Assigned]
    Added Reference https://support.apple.com/HT211171 [No Types Assigned]
    Added Reference https://support.apple.com/HT211175 [No Types Assigned]
    Added Reference https://support.apple.com/HT211168 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 29, 2020

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2020/May/59 [No Types Assigned]
    Added Reference http://seclists.org/fulldisclosure/2020/May/55 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 29, 2020

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2020/May/49 [No Types Assigned]
    Added Reference http://seclists.org/fulldisclosure/2020/May/52 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 27, 2020

    Action Type Old Value New Value
    Added Reference https://support.apple.com/kb/HT211177 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 27, 2020

    Action Type Old Value New Value
    Added Reference https://support.apple.com/kb/HT211168 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT211175 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT211171 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 29, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4335-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 22, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4328-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 27, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/ [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 27, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 24, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/ [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html [No Types Assigned]
    Added Reference https://usn.ubuntu.com/4299-1/ [No Types Assigned]
    Added Reference https://www.debian.org/security/2020/dsa-4642 [No Types Assigned]
    Added Reference https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 23, 2020

    Action Type Old Value New Value
    Removed Reference https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html [No Types Assigned]
    Added Reference https://www.debian.org/security/2020/dsa-4645 [No Types Assigned]
    Added Reference https://crbug.com/1059349 [No Types Assigned]
    Added Reference https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 20, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 16, 2020

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2020:0820 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 16, 2020

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2020:0816 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2020:0819 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 16, 2020

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2020:0815 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 15, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 14, 2020

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202003-10 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 12, 2020

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202003-02 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 12, 2020

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2020/dsa-4639 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 12, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/03/msg00013.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 09, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugs.chromium.org/p/project-zero/issues/detail?id=1992 No Types Assigned https://bugs.chromium.org/p/project-zero/issues/detail?id=1992 Exploit, Patch, Vendor Advisory
    Changed Reference Type https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467 No Types Assigned https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467 Patch, Third Party Advisory
    Added CWE NIST CWE-125
    Added CPE Configuration OR *cpe:2.3:a:usrsctp_project:usrsctp:*:*:*:*:*:*:*:* versions up to (excluding) 2019-12-20
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-20503 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-20503 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.19 }} -0.00%

score

0.57023

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: