9.8
CRITICAL
CVE-2019-11500
Dovecot Pigeonhole Heap-Based Buffer Overflow Vulnerability
Description

In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.

INFO

Published Date :

Aug. 29, 2019, 2:15 p.m.

Last Modified :

Nov. 21, 2024, 4:21 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2019-11500 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-2019-11500 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 Dovecot dovecot
2 Dovecot pigeonhole
1 Fedoraproject fedora
1 Debian debian_linux
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-2019-11500.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
http://www.openwall.com/lists/oss-security/2019/08/28/3 Exploit Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2822
https://access.redhat.com/errata/RHSA-2019:2836
https://access.redhat.com/errata/RHSA-2019:2885
https://dovecot.org/pipermail/dovecot-news/2019-August/000417.html Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00035.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVHY3MU2OK2EWZJFGNDSAOMD42L7DFPX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YSJVVVRAE3SITC2ZLGCPMFDN3WVYZBWF/
https://security.gentoo.org/glsa/201908-29 Third Party Advisory
https://www.dovecot.org/security.html Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
http://www.openwall.com/lists/oss-security/2019/08/28/3 Exploit Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2822
https://access.redhat.com/errata/RHSA-2019:2836
https://access.redhat.com/errata/RHSA-2019:2885
https://dovecot.org/pipermail/dovecot-news/2019-August/000417.html Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00035.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVHY3MU2OK2EWZJFGNDSAOMD42L7DFPX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YSJVVVRAE3SITC2ZLGCPMFDN3WVYZBWF/
https://security.gentoo.org/glsa/201908-29 Third Party Advisory
https://www.dovecot.org/security.html Vendor 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).

Implemented T-pot honeypots to collect and analyze data on cyber-attacks. The project involved monitoring attacker behavior, identifying IP addresses, and detecting attack patterns. The insights gained included different attack patterns, the regions with the most hits, and other relevant metrics.

Updated: 3 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Aug. 29, 2024, 7:05 p.m. This repo has been linked 11 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-2019-11500 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-11500 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.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
    Added Reference http://www.openwall.com/lists/oss-security/2019/08/28/3
    Added Reference https://access.redhat.com/errata/RHSA-2019:2822
    Added Reference https://access.redhat.com/errata/RHSA-2019:2836
    Added Reference https://access.redhat.com/errata/RHSA-2019:2885
    Added Reference https://dovecot.org/pipermail/dovecot-news/2019-August/000417.html
    Added Reference https://lists.debian.org/debian-lts-announce/2019/08/msg00035.html
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVHY3MU2OK2EWZJFGNDSAOMD42L7DFPX/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YSJVVVRAE3SITC2ZLGCPMFDN3WVYZBWF/
    Added Reference https://security.gentoo.org/glsa/201908-29
    Added Reference https://www.dovecot.org/security.html
  • 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/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVHY3MU2OK2EWZJFGNDSAOMD42L7DFPX/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YSJVVVRAE3SITC2ZLGCPMFDN3WVYZBWF/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/KVHY3MU2OK2EWZJFGNDSAOMD42L7DFPX/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/YSJVVVRAE3SITC2ZLGCPMFDN3WVYZBWF/
  • CVE Modified by [email protected]

    Oct. 07, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 23, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2885 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 20, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2836 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 20, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2822 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 14, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/YSJVVVRAE3SITC2ZLGCPMFDN3WVYZBWF/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 06, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/KVHY3MU2OK2EWZJFGNDSAOMD42L7DFPX/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 03, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2019/08/28/3 No Types Assigned http://www.openwall.com/lists/oss-security/2019/08/28/3 Exploit, Mailing List, Third Party Advisory
    Changed Reference Type https://dovecot.org/pipermail/dovecot-news/2019-August/000417.html No Types Assigned https://dovecot.org/pipermail/dovecot-news/2019-August/000417.html Patch, Vendor Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/08/msg00035.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/08/msg00035.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/ Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/201908-29 No Types Assigned https://security.gentoo.org/glsa/201908-29 Third Party Advisory
    Changed Reference Type https://www.dovecot.org/security.html No Types Assigned https://www.dovecot.org/security.html Vendor Advisory
    Added CWE CWE-787
    Added CPE Configuration OR *cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* versions up to (excluding) 2.2.36.4 *cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* versions from (including) 2.3.0 up to (excluding) 2.3.7.2 *cpe:2.3:a:dovecot:pigeonhole:*:*:*:*:*:*:*:* versions up to (excluding) 0.5.7.2
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 31, 2019

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201908-29 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 30, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 29, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/08/msg00035.html [No Types Assigned]
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-2019-11500 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-2019-11500 weaknesses.

Exploit Prediction

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

48.18 }} -0.95%

score

0.97558

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability