Path traversal in libsoup - CVE-2011-2524
Published: September 1, 2011 / Updated: December 14, 2020
Vulnerability identifier: #VU32834
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2011-2524
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
libsoup
libsoup (Alpine package)
libsoup (Alpine package)
How to mitigate CVE-2011-2524
Install update from vendor's website.
libsoup (Alpine package) - update to 2.32.2-r0
External References
- http://git.gnome.org/browse/libsoup/tree/NEWS
- http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063431.html
- http://secunia.com/advisories/47299
- http://www.debian.org/security/2011/dsa-2369
- http://www.redhat.com/support/errata/RHSA-2011-1102.html
- http://www.securitytracker.com/id?1025864
- http://www.ubuntu.com/usn/USN-1181-1
- https://bugzilla.gnome.org/show_bug.cgi?id=653258