CVE-2018-1000140
rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can result in Remote code execution. This attack appear to be
02 Description
rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can result in Remote code execution. This attack appear to be
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
- 9.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.1% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (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:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Critical. 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
- 2018-03-23 00:00Z8 YR AGO
- Last updated
- 2024-08-05 12:33Z2 YR AGO
- Reserved
- 2018-03-23
- 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
- ebd769d2669e50bb3d6bd96944c8783f6b24f10edf345ab8ec36b79df73cf4d3
05 Affected products
06 References
- usn.ubuntu.comUSN-3612-1https://usn.ubuntu.com/3612-1/
- security.gentoo.orgGLSA-201804-21https://security.gentoo.org/glsa/201804-21
- github.comhttps://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9e/src/tcp.c#L1205
- access.redhat.comRHSA-2018:1703https://access.redhat.com/errata/RHSA-2018:1703
- access.redhat.comRHSA-2018:1704https://access.redhat.com/errata/RHSA-2018:1704
- access.redhat.comRHSA-2018:1702https://access.redhat.com/errata/RHSA-2018:1702
- access.redhat.comRHSA-2018:1225https://access.redhat.com/errata/RHSA-2018:1225
- access.redhat.comRHSA-2018:1707https://access.redhat.com/errata/RHSA-2018:1707
- lgtm.comhttps://lgtm.com/rules/1505913226124/
- access.redhat.comRHSA-2018:1223https://access.redhat.com/errata/RHSA-2018:1223
- www.debian.orgDSA-4151https://www.debian.org/security/2018/dsa-4151
- access.redhat.comRHSA-2018:1701https://access.redhat.com/errata/RHSA-2018:1701
- packetstormsecurity.comhttp://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html
07 Fixed in
Debian 12
- librelp Fixed in 1.2.15-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- librelp Fixed in 1.2.15-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- librelp Fixed in 1.2.15-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- librelp Fixed in 1.2.2-2ubuntu1.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- librelp Fixed in 1.2.9-1ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- librelp Fixed in 1.2.14-3ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
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.