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ubuntucveUbuntu.comUB:CVE-2023-43907
HistoryOct 01, 2023 - 12:00 a.m.

CVE-2023-43907

2023-10-0100:00:00
ubuntu.com
ubuntu.com
10
optipng v0.7.7
global buffer overflow
gifread.c
denial of service
security vulnerability

7.8 High

CVSS3

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

0.001 Low

EPSS

Percentile

21.6%

OptiPNG v0.7.7 was discovered to contain a global buffer overflow via the
‘buffer’ variable at gifread.c.

Bugs

Notes

Author Note
Priority reason: Denial of service only in command-line tool
mdeslaur Can’t reproduce with PoC on focal, jammy, and lunar. This is an out-of-bounds read in a command-line tool, unlikely to have any security impact. as of 2023-10-10, there is no fix available from the optipng developers

7.8 High

CVSS3

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

0.001 Low

EPSS

Percentile

21.6%