Gentoo: GLSA-201612-17: PECL HTTP: Remote execution of arbitrary code
Summary
A buffer overflow can be triggered in the URL parsing functions of the PECL HTTP extension. This allows overflowing a buffer with data originating from an arbitrary HTTP request.
Resolution
All PECL HTTP users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-php/pecl-http-2.5.6"
References
[ 1 ] CVE-2016-5873 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5873
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201612-17
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
Synopsis
A buffer overflow in PECL HTTP might allow remote attackers to execute arbitrary code.
Background
This HTTP extension aims to provide a convenient and powerful set of functionality for one of PHPs major applications.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-php/pecl-http < 2.5.6 *>= 2.5.6
Impact
===== A remote attacker, through a specially crafted URI, could possibly execute arbitrary code with the privileges of the process.
Workaround
There is no known workaround at this time.