CVE-2017-16227
HIGH7.5EPSS 0.77%quagga - security update
Published: 10/31/2017Modified: 11/19/2025
Also known as:ALPINE-CVE-2017-16227
Description
The 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.
Affected packages (3)
- Alpine/quaggafrom 0, < 0.99.24.1-r6
- Debian/quaggafrom 0, < 0.99.22.4-1+wheezy3+deb7u2
- Debian/quaggafrom 0, < 0.99.23.1-1+deb8u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |