CVE-2021-45911

2021-12-2800:00:00

ubuntu.com

gif2apng

heap-based buffer overflow

main function

attacker

buffer boundaries

bug 1002687

unix

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

31.3%

JSON

An issue was discovered in gif2apng 1.9. There is a heap-based buffer
overflow in the main function. It allows an attacker to write 2 bytes
outside the boundaries of the buffer.

Bugs

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002687>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchgif2apng< 1.9+srconly-2ubuntu0.1UNKNOWN
ubuntu20.04noarchgif2apng< 1.9+srconly-3ubuntu0.1UNKNOWN
ubuntu16.04noarchgif2apng< 1.7-3ubuntu0.1~esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	gif2apng	< 1.9+srconly-2ubuntu0.1	UNKNOWN
ubuntu	20.04	noarch	gif2apng	< 1.9+srconly-3ubuntu0.1	UNKNOWN
ubuntu	16.04	noarch	gif2apng	< 1.7-3ubuntu0.1~esm1	UNKNOWN