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CVE-2010-1674

Status Candidate

Overview

The extended-community parser in bgpd in Quagga before 0.99.18 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed Extended Communities attribute.

Related Files

Red Hat Security Advisory 2012-1258-01
Posted Sep 12, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1258-01 - Quagga is a TCP/IP based routing software suite. The Quagga bgpd daemon implements the BGP routing protocol. The Quagga ospfd and ospf6d daemons implement the OSPF routing protocol. A heap-based buffer overflow flaw was found in the way the bgpd daemon processed malformed Extended Communities path attributes. An attacker could send a specially-crafted BGP message, causing bgpd on a target system to crash or, possibly, execute arbitrary code with the privileges of the user running bgpd. The UPDATE message would have to arrive from an explicitly configured BGP peer, but could have originated elsewhere in the BGP network.

tags | advisory, overflow, arbitrary, tcp, protocol
systems | linux, redhat
advisories | CVE-2010-1674, CVE-2011-3323, CVE-2011-3324, CVE-2011-3325, CVE-2011-3326, CVE-2011-3327, CVE-2012-0249, CVE-2012-0250
SHA-256 | e7c3357cb6c8f7846df113bcf13f4689158037c3437cb2228958e385d53137be
Gentoo Linux Security Advisory 201202-02
Posted Feb 22, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201202-2 - Multiple vulnerabilities were found in Quagga, the worst of which leading to remote execution of arbitrary code. Versions less than 0.99.20 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2010-1674, CVE-2010-1675, CVE-2010-2948, CVE-2010-2949, CVE-2011-3323, CVE-2011-3324, CVE-2011-3325, CVE-2011-3326, CVE-2011-3327
SHA-256 | b8876c9ae50f95f261a5d9e36d175f49669c64dc3f0cceabc82a13bd6ce2da34
Mandriva Linux Security Advisory 2011-058
Posted Apr 1, 2011
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2011-058 - The extended-community parser in bgpd in Quagga before 0.99.18 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed Extended Communities attribute. bgpd in Quagga before 0.99.18 allows remote attackers to cause a denial of service via a malformed AS_PATHLIMIT path attribute. Updated packages are available that bring Quagga to version 0.99.18 which provides numerous bugfixes over the previous 0.99.17 version, and also corrects these issues.

tags | advisory, remote, denial of service
systems | linux, mandriva
advisories | CVE-2010-1674, CVE-2010-1675
SHA-256 | d4c0f6cc4daa438fcc020c6831fdc5609a4890a1b60fb7729d8b61c7c0174599
Ubuntu Security Notice USN-1095-1
Posted Mar 29, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1095-1 - It was discovered that Quagga incorrectly parsed certain malformed extended communities. A remote attacker could use this flaw to cause Quagga to crash, resulting in a denial of service. It was discovered that Quagga resets BGP sessions when encountering malformed AS_PATHLIMIT attributes. A remote attacker could use this flaw to disrupt BGP sessions, resulting in a denial of service. This update removes AS_PATHLIMIT support from Quagga. This issue only affected Ubuntu 8.04 LTS, 9.10, 10.04 LTS and 10.10.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2010-1674, CVE-2010-1675
SHA-256 | ace92018aca8cb5f956fcdd7df537578af7168e4da59950e1a0e8cf32c374692
Debian Security Advisory 2197-1
Posted Mar 21, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2197-1 - It has been discovered that the Quagga routing daemon contains two denial-of-service vulnerabilities in its BGP implementation. A crafted Extended Communities attribute triggers a null pointer dereference which causes the BGP daemon to crash. The BGP daemon resets BGP sessions when it encounters malformed AS_PATHLIMIT attributes, introducing a distributed BGP session reset vulnerability which disrupts packet forwarding.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2010-1674, CVE-2010-1675
SHA-256 | 7b7212876c0dc85a313a39760b58246048b833cdff698a6fde7789df6595bc40
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