CVE-2021-45910 — HIGH (7.8)

Vulnerability Description

An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow within the main function. It allows an attacker to write data outside of the allocated buffer. The attacker has control over a part of the address that data is written to, control over the written data, and (to some extent) control over the amount of data that is written.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gif2Apng Project	Gif2Apng	1.9
Debian	Debian Linux	9.0

Related Weaknesses (CWE)

CWE-787

References

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002667ExploitIssue TrackingMailing List
https://lists.debian.org/debian-lts-announce/2022/03/msg00008.htmlMailing ListThird Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002667ExploitIssue TrackingMailing List
https://lists.debian.org/debian-lts-announce/2022/03/msg00008.htmlMailing ListThird Party Advisory

FAQ

What is CVE-2021-45910?

CVE-2021-45910 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow within the main function. It allows an attacker to write data outside of the allocated buffer. The attacker has control o...

How severe is CVE-2021-45910?

CVE-2021-45910 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-45910?

Check the references section above for vendor advisories and patch information. Affected products include: Gif2Apng Project Gif2Apng, Debian Debian Linux.