Buffer overflow in Xmill - CVE-2021-21812

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Main Vulnerability Database Vulnerabilities #VU55793

Buffer overflow in Xmill - CVE-2021-21812

Published: August 12, 2021


Vulnerability identifier: #VU55793
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-21812
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Xmill
Software vendor:
AT&T Labs

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the command-line-parsing HandleFileArg functionality within the "strcpy". A local user can use a specially crafted command-line argument, trigger memory corruption and execute arbitrary code on the target system.

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


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links