CVE-2017-16227

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Summary

CVECVE-2017-16227
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-10-29 20:29:00 UTC
Updated2017-11-18 16:16:00 UTC
DescriptionThe aspath_put function in bgpd/bgp_aspath.c in Quagga before 1.2.2 allows remote attackers to cause a denial of service (session drop) via BGP UPDATE messages, because AS_PATH size calculation for long paths counts certain bytes twice and consequently constructs an invalid message.

Risk And Classification

Problem Types: CWE-20

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Quagga Quagga All All All All

References

ReferenceSourceLinkTags
404 Not Found MISC download.savannah.gnu.org Issue Tracking, Third Party Advisory
#879474 - quagga-bgpd: CVE-2017-16227: BGP session termination due to rather long AS paths in update messages - Debian Bug report logs MISC bugs.debian.org Issue Tracking, Patch, Third Party Advisory
Debian -- Security Information -- DSA-4011-1 quagga DEBIAN www.debian.org Issue Tracking, Third Party Advisory
[quagga-dev 16660] [PATCH] bgpd: fix length calculation of multi-segment AS_PATH UPDATE messages MISC lists.quagga.net Issue Tracking, Patch, Third Party Advisory
quagga.git - quagga MISC git.savannah.gnu.org Issue Tracking, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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