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CVE-2021-46829 Detail

Description

GNOME GdkPixbuf (aka GDK-PixBuf) before 2.42.8 allows a heap-based buffer overflow when compositing or clearing frames in GIF files, as demonstrated by io-gif-animation.c composite_frame. This overflow is controllable and could be abused for code execution, especially on 32-bit systems.


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2022/07/25/1 Mailing List  Third Party Advisory 
https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md Exploit  Third Party Advisory 
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512 Patch  Third Party Advisory 
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2 Patch  Third Party Advisory 
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190 Exploit  Issue Tracking  Third Party Advisory 
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121 Exploit  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/ Mailing List  Third Party Advisory 
https://www.debian.org/security/2022/dsa-5228 Third Party Advisory 
https://www.openwall.com/lists/oss-security/2022/07/23/1 Mailing List  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write cwe source acceptance level NIST  

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-46829
NVD Published Date:
07/24/2022
NVD Last Modified:
10/27/2022
Source:
MITRE