Description

QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.

INFO

Published Date :

March 5, 2020, 7:15 p.m.

Last Modified :

Nov. 7, 2023, 3:09 a.m.

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

2.1
Affected Products

The following products are affected by CVE-2019-20382 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 Opensuse leap
1 Qemu qemu
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-2019-20382.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html Broken Link Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/05/1 Mailing List Patch Third Party Advisory
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html Mailing List Third Party Advisory
https://usn.ubuntu.com/4372-1/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4665 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).

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

The following list is the news that have been mention CVE-2019-20382 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-20382 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 [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://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0 [No types assigned]
    Removed Reference MITRE https://git.qemu.org/?p=qemu.git;a=commit;h=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0
  • Modified Analysis by [email protected]

    Jan. 24, 2023

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html Broken Link, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html Mailing List, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4372-1/ No Types Assigned https://usn.ubuntu.com/4372-1/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2020/dsa-4665 No Types Assigned https://www.debian.org/security/2020/dsa-4665 Third Party Advisory
    Added CPE Configuration OR *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:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
  • CVE Modified by [email protected]

    Jul. 26, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 28, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4372-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 28, 2020

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2020/dsa-4665 [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 07, 2020

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P)
    Added CVSS V2 NIST (AV:A/AC:L/Au:S/C:N/I:N/A:P)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 07, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 06, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2020/03/05/1 No Types Assigned http://www.openwall.com/lists/oss-security/2020/03/05/1 Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://git.qemu.org/?p=qemu.git;a=commit;h=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0 No Types Assigned https://git.qemu.org/?p=qemu.git;a=commit;h=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0 Patch, Third Party Advisory
    Added CWE NIST CWE-401
    Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:4.1.0:*:*:*:*:*:*:*
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-2019-20382 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-2019-20382 weaknesses.

Exploit Prediction

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

0.05 }} 0.00%

score

0.12934

percentile

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