Input validation error in Phusion Passenger - CVE-2015-7519
Published: January 8, 2016 / Updated: August 9, 2020
Vulnerability identifier: #VU40538
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2015-7519
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Phusion B.V.
Affected software:
Phusion Passenger
Phusion Passenger
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
agent/Core/Controller/SendRequest.cpp in Phusion Passenger before 4.0.60 and 5.0.x before 5.0.22, when used in Apache integration mode or in standalone mode without a filtering proxy, allows remote attackers to spoof headers passed to applications by using an _ (underscore) character instead of a - (dash) character in an HTTP header, as demonstrated by an X_User header.
How to mitigate CVE-2015-7519
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00024.html
- http://www.openwall.com/lists/oss-security/2015/12/07/1
- http://www.openwall.com/lists/oss-security/2015/12/07/2
- https://blog.phusion.nl/2015/12/07/cve-2015-7519/
- https://bugzilla.suse.com/show_bug.cgi?id=956281
- https://github.com/phusion/passenger/commit/ddb8ecc4ebf260e4967f57f271d4f5761abeac3e
- https://lists.debian.org/debian-lts-announce/2018/06/msg00007.html
- https://puppet.com/security/cve/passenger-dec-2015-security-fixes