Unrated severityOSV Advisory· Published Jan 10, 2019· Updated Aug 4, 2024
CVE-2019-5892
CVE-2019-5892
Description
bgpd in FRRouting FRR (aka Free Range Routing) 2.x and 3.x before 3.0.4, 4.x before 4.0.1, 5.x before 5.0.2, and 6.x before 6.0.2 (not affecting Cumulus Linux or VyOS), when ENABLE_BGP_VNC is used for Virtual Network Control, allows remote attackers to cause a denial of service (peering session flap) via attribute 255 in a BGP UPDATE packet. This occurred during Disco in January 2019 because FRR does not implement RFC 7606, and therefore the packets with 255 were considered invalid VNC data and the BGP session was closed.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- frrouting.org/community/security/cve-2019-5892.htmlmitrex_refsource_CONFIRM
- github.com/FRRouting/frr/commit/943d595a018e69b550db08cccba1d0778a86705amitrex_refsource_MISC
- github.com/FRRouting/frr/releases/tag/frr-3.0.4mitrex_refsource_MISC
- github.com/FRRouting/frr/releases/tag/frr-4.0.1mitrex_refsource_MISC
- github.com/FRRouting/frr/releases/tag/frr-5.0.2mitrex_refsource_MISC
- github.com/FRRouting/frr/releases/tag/frr-6.0.2mitrex_refsource_MISC
- lists.frrouting.org/pipermail/frog/2019-January/000404.htmlmitrex_refsource_MISC
News mentions
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