Permissions, Privileges, and Access Controls in perl-plack - CVE-2014-5269
Published: September 4, 2014 / Updated: August 5, 2020
Vulnerability identifier: #VU34000
CSH Severity: Medium
CVSS v4.0: 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
CVE-ID: CVE-2014-5269
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: plackperl.org
Affected software:
perl-plack
perl-plack
Detailed vulnerability description
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.
How to mitigate CVE-2014-5269
Install update from vendor's website.
Sources
- 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