medium
5
CWE
119
Advisory Published
Updated

CVE-2011-3323: Buffer Overflow

First published: Mon Oct 10 2011(Updated: )

The OSPFv3 implementation in ospf6d in Quagga before 0.99.19 allows remote attackers to cause a denial of service (out-of-bounds memory access and daemon crash) via a Link State Update message with an invalid IPv6 prefix length.

Credit: cret@cert.org

Affected SoftwareAffected VersionHow to fix
Quagga Routing Software Suite<=0.99.18
Quagga Routing Software Suite=0.95
Quagga Routing Software Suite=0.96
Quagga Routing Software Suite=0.96.1
Quagga Routing Software Suite=0.96.2
Quagga Routing Software Suite=0.96.3
Quagga Routing Software Suite=0.96.4
Quagga Routing Software Suite=0.96.5
Quagga Routing Software Suite=0.97.0
Quagga Routing Software Suite=0.97.1
Quagga Routing Software Suite=0.97.2
Quagga Routing Software Suite=0.97.3
Quagga Routing Software Suite=0.97.4
Quagga Routing Software Suite=0.97.5
Quagga Routing Software Suite=0.98.0
Quagga Routing Software Suite=0.98.1
Quagga Routing Software Suite=0.98.2
Quagga Routing Software Suite=0.98.3
Quagga Routing Software Suite=0.98.4
Quagga Routing Software Suite=0.98.5
Quagga Routing Software Suite=0.98.6
Quagga Routing Software Suite=0.99.1
Quagga Routing Software Suite=0.99.2
Quagga Routing Software Suite=0.99.3
Quagga Routing Software Suite=0.99.4
Quagga Routing Software Suite=0.99.5
Quagga Routing Software Suite=0.99.6
Quagga Routing Software Suite=0.99.7
Quagga Routing Software Suite=0.99.8
Quagga Routing Software Suite=0.99.9
Quagga Routing Software Suite=0.99.10
Quagga Routing Software Suite=0.99.11
Quagga Routing Software Suite=0.99.12
Quagga Routing Software Suite=0.99.13
Quagga Routing Software Suite=0.99.14
Quagga Routing Software Suite=0.99.15
Quagga Routing Software Suite=0.99.16
Quagga Routing Software Suite=0.99.17

Remedy

http://code.quagga.net/?p=quagga.git;a=commit;h=abc7ef44ca05493500865ce81f7b84f5c4eb6594

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-3323?

    CVE-2011-3323 has a high severity rating due to its potential to cause a denial of service by crashing the affected services.

  • How do I fix CVE-2011-3323?

    To fix CVE-2011-3323, upgrade to Quagga version 0.99.19 or later where the vulnerability has been addressed.

  • Who is affected by CVE-2011-3323?

    CVE-2011-3323 affects versions of Quagga prior to 0.99.19, specifically versions 0.99.18 and earlier.

  • What kind of attack does CVE-2011-3323 enable?

    CVE-2011-3323 allows remote attackers to exploit a vulnerability in the OSPFv3 implementation, leading to an out-of-bounds memory access.

  • Can CVE-2011-3323 impact network performance?

    Yes, CVE-2011-3323 can significantly impact network performance by causing the OSPF daemon to crash, resulting in disrupted routing operations.

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