CVE-2017-16227
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 45.96% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.8% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-10-29 20:00Z9 YR AGO
- Last updated
- 2024-08-05 20:20Z2 YR AGO
- Reserved
- 2017-10-29
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 7b35c85ec12b0a6809d08076956a5b4363e063cf4b97e1e061ec3d5dcf8b410e
05 Affected products
06 References
- bugs.debian.orghttps://bugs.debian.org/879474
- download.savannah.gnu.orghttp://download.savannah.gnu.org/releases/quagga/quagga-1.2.2.changelog.txt
- www.debian.orgDSA-4011http://www.debian.org/security/2017/dsa-4011
- git.savannah.gnu.orghttps://git.savannah.gnu.org/cgit/quagga.git/commit/?id=7a42b78be9a4108d98833069a88e6fddb9285008
- lists.quagga.nethttps://lists.quagga.net/pipermail/quagga-dev/2017-September/033284.html
07 Fixed in
Ubuntu 14.04 LTS
- quagga Fixed in 0.99.22.4-3ubuntu1.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- quagga Fixed in 0.99.24.1-2ubuntu1.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.