SB2012011008 - Path traversal in libsoup (Alpine package)

Description

This security bulletin contains information about 1 vulnerability.

1) Path traversal (CVE-ID: CVE-2011-2524)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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 in soup-uri.c in SoupServer in libsoup before 2.35.4. A remote authenticated attacker can send a specially crafted HTTP request and remote attackers to read arbitrary files via a %2e%2e (encoded dot dot) in a URI.

Remediation

Install update from vendor's website.

References

• https://git.alpinelinux.org/aports/commit/?id=8e3f515b2d498853b74396987eb71bd64c85e903
• https://git.alpinelinux.org/aports/commit/?id=68aac62e703da83d17424a7683adedd1065e1cd1