CVE-2018-1000140
CRITICAL 9.8EPSS 9.3%
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 exploitable a remote attacker that can connect to rsyslog and trigger a stack buffer overflow by sending a specially crafted x509 certificate.
- CVSS v3.0 NVD
- 9.8 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 9.34% chance of exploitation in the next 30 days, 95th percentile
- Published
- 2018-03-23
- Updated
- 2024-08-05
Proof-of-concept exploits (1)
- s0/rsyslog-librelp-CVE-2018-10001400★ · 2019-05-14
Exploit collections (1)
- rsyslog/CVE-2018-1000140_snprintf_librelpgithub/securitylab
Security advisories
- https://access.redhat.com/errata/RHSA-2018:1223
- https://access.redhat.com/errata/RHSA-2018:1225
- https://access.redhat.com/errata/RHSA-2018:1701
- https://access.redhat.com/errata/RHSA-2018:1702
- https://access.redhat.com/errata/RHSA-2018:1703
- https://access.redhat.com/errata/RHSA-2018:1704
- https://access.redhat.com/errata/RHSA-2018:1707
- rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9e/src/tcp.c#L1205
- https://lgtm.com/rules/1505913226124
- https://security.gentoo.org/glsa/201804-21
- https://usn.ubuntu.com/3612-1
- https://www.debian.org/security/2018/dsa-4151