Loop with Unreachable Exit Condition ('Infinite Loop') The advisory has been revoked - it doesn't affect any version of package quagga (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published19 Feb 2018
- disclosed19 Feb 2018
Introduced: 19 Feb 2018
CVE-2018-5381 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:unstable.
NVD Description
Note: Versions mentioned in the description apply only to the upstream quagga package and not the quagga package as distributed by Debian.
The Quagga BGP daemon (bgpd) prior to version 1.2.3 has a bug in its parsing of "Capabilities" in BGP OPEN messages, in the bgp_packet.c:bgp_capability_msg_parse function. The parser can enter an infinite loop on invalid capabilities if a Multi-Protocol capability does not have a recognized AFI/SAFI, causing a denial of service.
References
- http://www.kb.cert.org/vuls/id/940439
- http://savannah.nongnu.org/forum/forum.php?forum_id=9095
- https://cert-portal.siemens.com/productcert/pdf/ssa-451142.pdf
- https://gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-1975.txt
- https://www.debian.org/security/2018/dsa-4115
- https://lists.debian.org/debian-lts-announce/2018/02/msg00021.html
- https://security-tracker.debian.org/tracker/CVE-2018-5381
- https://security.gentoo.org/glsa/201804-17
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-5381
- https://usn.ubuntu.com/3573-1/