CVE Vulnerability

CVE-2021-45385

A Null Pointer Dereference vulnerability exits in ffjpeg d5cfd49 (2021-12-06) in bmp_load(). When the size information in metadata of the bmp is out of range, it returns without assign memory buffer to `pb->pdata` and did not exit the program. So the program crashes when it tries to access the pb->data, in jfif_encode() at jfif.c:763. This is due to the incomplete patch for CVE-2020-13438.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/rockcarry/ffjpeg/pull/48 Issue Tracking Patch
https://github.com/rockcarry/ffjpeg/issues/47 Exploit Issue Tracking
Configurations

Configuration 1

cpe:2.3:a:ffjpeg_project:ffjpeg:2021-12-06:*:*:*:*:*:*:*
Information

Published : 2022-02-11 04:15

Updated : 2022-02-18 06:36

NVD link : CVE-2021-45385

Mitre link : CVE-2021-45385

Products Affected
No products.
CWE
CWE-476