SB2014052107 - Path traversal in dpkg (Alpine package)

Description

This security bulletin contains information about 1 vulnerability.

1) Path traversal (CVE-ID: CVE-2014-0471)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences inside a source package, related to "C-style filename quoting". A remote attacker can trick the victim into installing a specially crafted source package and overwrite arbitrary files on the system.

Remediation

Install update from vendor's website.

References

• https://git.alpinelinux.org/aports/commit/?id=045b260403927cac90ac55eec810ab5e944dc466
• https://git.alpinelinux.org/aports/commit/?id=269ec9e8bead101ca26d244be82f589dfa269d46
• https://git.alpinelinux.org/aports/commit/?id=3e8541fce5bc49277fbc98b5a21c6d033fc4f212