SB2014090401 - Permissions, Privileges, and Access Controls in plackperl perl-plack
Published: September 4, 2014 Updated: August 5, 2020
Security Bulletin ID
SB2014090401
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2014-5269)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
Plack::App::File in Plack before 1.0031 removes trailing slash characters from paths, which allows remote attackers to bypass the whitelist of generated files and obtain sensitive information via a crafted path, related to Plack::Middleware::Static.
Remediation
Install update from vendor's website.
References
- http://api.metacpan.org/source/MIYAGAWA/Plack-1.0031/Changes
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/137099.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/137115.html
- http://seclists.org/oss-sec/2014/q3/384
- http://www.osvdb.org/109928
- https://github.com/avar/Plack/commit/bc1731dbb53850c380875ad683cd87c8ec99eee3
- https://github.com/plack/Plack/issues/405