#VU52220 Out-of-bounds read in apk-tools (Alpine package) - CVE-2021-30139

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Main Vulnerability Database Vulnerabilities #VU52220

#VU52220 Out-of-bounds read in apk-tools (Alpine package) - CVE-2021-30139

Published: April 14, 2021


Vulnerability identifier: #VU52220
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-30139
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
apk-tools (Alpine package)
Software vendor:
Alpine Linux Development Team

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing ".tar" archives. A remote attacker can create a specially crafted ".tar" file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Install updates from vendor's website.

External links