Vulnerability Report

CVE-2021-46829

Title: Gnome Gdk-Pixbuf Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2021-46829.

CWE Category CWE-190

Published Date Jul 24, 2022

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 7.8 CVSS v3.1

Exploit Probability (EPSS)

0.79%

Vulnerability Summary

CVE-2021-46829: 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.

Impacted Vendors

gnome 1

Reference Links

http://www.openwall.com/lists/oss-security/2022/07/25/1 https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512 https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2 https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190 https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/ https://www.debian.org/security/2022/dsa-5228 https://www.openwall.com/lists/oss-security/2022/07/23/1 http://www.openwall.com/lists/oss-security/2022/07/25/1 https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512 https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2 https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190 https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/ https://www.debian.org/security/2022/dsa-5228 https://www.openwall.com/lists/oss-security/2022/07/23/1

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.8

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-46829 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

July 24, 2022 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


                                    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.