Heap-based buffer overflow in libarchive - #VU62031

 

Heap-based buffer overflow in libarchive - #VU62031

Published: April 9, 2022


Vulnerability identifier: #VU62031
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-122
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 when reading ISO archives within the read_children() function in libarchive/archive_read_support_format_iso9660.c. A remote attacker can trick the victim to open a specially crafted ISO archive, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

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


Affected software

libarchive
Slackware Linux

Remediation

Install updates from vendor's website.

libarchive - update to 3.6.1

External References

Related Security Bulletins