Debian Security Advisory DSA 2459-1 (quagga)

Published: 2012-04-30 11:58:15
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Technical Details:
Several vulnerabilities have been discovered in Quagga, a routing daemon. CVE-2012-0249 A buffer overflow in the ospf_ls_upd_list_lsa function in the OSPFv2 implementation allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a Link State Update (aka LS Update) packet that is smaller than the length specified in its header. CVE-2012-0250 A buffer overflow in the OSPFv2 implementation allows remote attackers to cause a denial of service (daemon crash) via a Link State Update (aka LS Update) packet containing a network-LSA link-state advertisement for which the data-structure length is smaller than the value in the Length header field. CVE-2012-0255 The BGP implementation does not properly use message buffers for OPEN messages, which allows remote attackers impersonating a configured BGP peer to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed AS4 capability. This security update upgrades the quagga Linux Distribution Package to the most recent upstream release. This release includes other corrections, such as hardening against unknown BGP path attributes. For the stable distribution (squeeze), these problems have been fixed in version 0.99.20.1-0+squeeze1. For the testing distribution (wheezy) and the unstable distribution (sid), these problems have been fixed in version 0.99.20.1-1.

Recommendations:
We recommend that you upgrade your quagga Linux Distribution Packages.

Summary:
The remote host is missing an update to quagga announced via advisory DSA 2459-1.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2012-0249
https://nvd.nist.gov/vuln/detail/CVE-2012-0250
https://nvd.nist.gov/vuln/detail/CVE-2012-0255

References:

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202459-1

Severity
Medium
CVSS Score
5.0
Published
2012-04-30
Modified
2019-03-18
Category
Debian Local Security Checks

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