CVE-2021-45909

An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow vulnerability in the DecodeLZW function. It allows an attacker to write a large amount of arbitrary data outside the boundaries of a buffer.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002668	Exploit Issue Tracking Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00008.html	Mailing List Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002668	Exploit Issue Tracking Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00008.html	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gif2apng_project:gif2apng:1.9:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

21 Nov 2024, 06:33

Type	Values Removed	Values Added
References	~~() https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002668 - Exploit, Issue Tracking, Mailing List, Third Party Advisory~~	() https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002668 - Exploit, Issue Tracking, Mailing List, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2022/03/msg00008.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2022/03/msg00008.html - Mailing List, Third Party Advisory

Information

Published : 2021-12-28 01:15

Updated : 2024-11-21 06:33

NVD link : CVE-2021-45909

Mitre link : CVE-2021-45909

CVE.ORG link : CVE-2021-45909

JSON object : View

Products Affected

gif2apng_project

gif2apng

debian

debian_linux

CWE

CWE-787

Out-of-bounds Write

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