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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
SHA-256 | fff0889efd9c4efb715a9ebd610f56cf82b6e6c7c64de811570484fbdb6d13bb
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
SHA-256 | 010ad86173718670617073a898022afc8bae419c0a34107d6a83d1dc5cd8e6c5
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
SHA-256 | 4abd4790fbbfe3df3a6955b9c9a46d812e0b17d035f4299001798f8b1b631ef1
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
SHA-256 | 0a995469005a5d9cd6cf4dd533400746453f53f7672a93339e2f298e285126ef
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