First published: Thu Apr 05 2012(Updated: )
Buffer overflow in the OSPFv2 implementation in ospfd in Quagga before 0.99.20.1 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.
Credit: cret@cert.org
Affected Software | Affected Version | How to fix |
---|---|---|
Quagga Routing Software Suite | <=0.99.20 | |
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 | |
Quagga Routing Software Suite | =0.99.18 | |
Quagga Routing Software Suite | =0.99.19 |
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CVE-2012-0250 has a severity rating that classifies it as a denial of service vulnerability.
To fix CVE-2012-0250, upgrade to Quagga version 0.99.20.1 or later.
The vulnerability impacts Quagga versions up to 0.99.20, including specific earlier versions like 0.99.1 through 0.99.19.
CVE-2012-0250 allows remote attackers to execute a denial of service attack by sending specially crafted Link State Update packets.
The impact of CVE-2012-0250 is that it causes the ospfd daemon to crash, leading to service interruptions.