Buffer overflow in Adaptive Scalable Texture Compression (ASTC) Encoder - CVE-2021-43086

 

Buffer overflow in Adaptive Scalable Texture Compression (ASTC) Encoder - CVE-2021-43086

Published: March 7, 2022


Vulnerability identifier: #VU61056
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-43086
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the "compress_symbolic_block_for_partition_2planes()" function in "/Source/astcenc_compress_symbolic.cpp. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Adaptive Scalable Texture Compression (ASTC) Encoder

How to mitigate CVE-2021-43086

Install updates from vendor's website.

Adaptive Scalable Texture Compression (ASTC) Encoder - update to 3.3

External References

Related Security Bulletins