REDHAT-BUG-626795: Null Pointer Dereference
First published: Tue Aug 24 2010(Updated: )
A NULL pointer dereference flaw was found in the way Quagga's bgpd daemon parsed paths of autonomous systems (AS). A configured BGP peer could send a BGP update AS path request with unknown AS type, which could lead to denial of service (bgpd daemon crash). Upstream changeset: [1] <a href="http://code.quagga.net/?p=quagga.git;a=commit;h=cddb8112b80fa9867156c637d63e6e79eeac67bb">http://code.quagga.net/?p=quagga.git;a=commit;h=cddb8112b80fa9867156c637d63e6e79eeac67bb</a> References: [2] <a href="http://www.quagga.net/news2.php?y=2010&m=8&d=19#id1282241100">http://www.quagga.net/news2.php?y=2010&m=8&d=19#id1282241100</a> CVE Request: [3] <a href="http://www.openwall.com/lists/oss-security/2010/08/24/3">http://www.openwall.com/lists/oss-security/2010/08/24/3</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Quagga Routing Software Suite |
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Reference Links
- http://code.quagga.net/?p=quagga.git;a=commit;h=cddb8112b80fa9867156c637d63e6e79eeac67bb
- http://www.quagga.net/news2.php?y=2010&m=8&d=19#id1282241100
- http://www.openwall.com/lists/oss-security/2010/08/24/3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=628981
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=626795#c13
- https://rhn.redhat.com/errata/RHSA-2010-0945.html
- https://bugzilla.redhat.com/show_bug.cgi?id=626795
Frequently Asked Questions
What is the severity of REDHAT-BUG-626795?
The severity of REDHAT-BUG-626795 is classified as high due to its potential to cause denial of service.
How do I fix REDHAT-BUG-626795?
To fix REDHAT-BUG-626795, ensure you update to the latest version of the Quagga routing software that addresses this NULL pointer dereference vulnerability.
What causes REDHAT-BUG-626795?
REDHAT-BUG-626795 is caused by a NULL pointer dereference that occurs when the bgpd daemon processes a BGP update with an unknown AS type.
Which software is affected by REDHAT-BUG-626795?
The software affected by REDHAT-BUG-626795 is the bgpd daemon within the Quagga Routing Software Suite.
What is the impact of REDHAT-BUG-626795?
The impact of REDHAT-BUG-626795 is that it can lead to a crash of the bgpd daemon, resulting in a denial of service for BGP routing.
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- alias/CVE-2010-2949
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