CVE-2017-5495
All versions of Quagga, 0.93 through 1.1.0, are vulnerable to an unbounded memory allocation in the telnet 'vty' CLI, leading to a Denial-of-Service of Quagga daemons, or even the entire host. When
02 Description
All versions of Quagga, 0.93 through 1.1.0, are vulnerable to an unbounded memory allocation in the telnet 'vty' CLI, leading to a Denial-of-Service of Quagga daemons, or even the entire host. When
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
- 18.80% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 97.1% 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
- 2017-01-24 07:40Z9 YR AGO
- Last updated
- 2024-08-05 15:04Z2 YR AGO
- Reserved
- 2017-01-15
- 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
- fdd686d61ba42a70c81127f03071b1f11d0ec7b29892ddc18102c76d8bb27626
05 Affected products
06 References
- rhn.redhat.comRHSA-2017:0794http://rhn.redhat.com/errata/RHSA-2017-0794.html
- savannah.nongnu.orghttp://savannah.nongnu.org/forum/forum.php?forum_id=8783
- github.comhttps://github.com/freerangerouting/frr/pull/63
- www.securitytracker.com1037688http://www.securitytracker.com/id/1037688
- lists.quagga.nethttps://lists.quagga.net/pipermail/quagga-dev/2017-January/016586.html
- www.securityfocus.com95745http://www.securityfocus.com/bid/95745
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.