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CVE-2014-2015

Status Candidate

Overview

Stack-based buffer overflow in the normify function in the rlm_pap module (modules/rlm_pap/rlm_pap.c) in FreeRADIUS 2.x, possibly 2.2.3 and earlier, and 3.x, possibly 3.0.1 and earlier, might allow attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long password hash, as demonstrated by an SSHA hash.

Related Files

Red Hat Security Advisory 2015-1287-01
Posted Jul 22, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1287-01 - FreeRADIUS is a high-performance and highly configurable free Remote Authentication Dial In User Service server, designed to allow centralized authentication and authorization for a network. A stack-based buffer overflow was found in the way the FreeRADIUS rlm_pap module handled long password hashes. An attacker able to make radiusd process a malformed password hash could cause the daemon to crash. The freeradius packages have been upgraded to upstream version 2.2.6, which provides a number of bug fixes and enhancements over the previous version.

tags | advisory, remote, overflow
systems | linux, redhat
advisories | CVE-2014-2015
MD5 | cca7d8d408d5ca50953e0971be608bbf
Gentoo Linux Security Advisory 201406-12
Posted Jun 16, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201406-12 - A vulnerability in FreeRADIUS can lead to arbitrary code execution or Denial of Service by authenticated users. Versions less than 2.2.5 are affected.

tags | advisory, denial of service, arbitrary, code execution
systems | linux, gentoo
advisories | CVE-2014-2015
MD5 | 3bfc11757478860c283bc260a01bfef2
Mandriva Linux Security Advisory 2014-058
Posted Mar 14, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-058 - SSHA processing in freeradius before 2.2.3 runs into a stack-based buffer overflow in the freeradius rlm_pap module if the password source uses an unusually long hashed password.

tags | advisory, overflow
systems | linux, mandriva
advisories | CVE-2014-2015
MD5 | f9c1f400c4325f84d09391a913c308b5
Ubuntu Security Notice USN-2122-1
Posted Feb 26, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2122-1 - It was discovered that FreeRADIUS incorrectly handled unix authentication. A remote user could successfully authenticate with an expired password. Pierre Carrier discovered that FreeRADIUS incorrectly handled rlm_pap hash processing. An authenticated user could use this issue to cause FreeRADIUS to crash, resulting in a denial of service, or possibly execute arbitrary code. The default compiler options for affected releases should reduce the vulnerability to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, unix, ubuntu
advisories | CVE-2011-4966, CVE-2014-2015, CVE-2011-4966, CVE-2014-2015
MD5 | bc32c21a2d6fe208fbd1bf10912f51c9
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