PublicDateAtUSN: 2018-03-23
Candidate: CVE-2018-1000140
PublicDate: 2018-03-23 21:29:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000140
 https://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9e/src/tcp.c#L1205
 https://lgtm.com/rules/1505913226124/
 https://ubuntu.com/security/notices/USN-3612-1
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 exploitable a
 remote attacker that can connect to rsyslog and trigger a stack buffer
 overflow by sending a specially crafted x509 certificate.
Ubuntu-Description:
Notes:
 mdeslaur> only used by rsyslog-relp packages in trusty, which is in
 mdeslaur> universe.
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H [9.8 CRITICAL]


Patches_librelp:
 upstream: https://github.com/rsyslog/librelp/commit/2cfe657672636aa5d7d2a14cfcb0a6ab9d1f00cf
upstream_librelp: released (1.2.15-1)
precise/esm_librelp: DNE
trusty_librelp: released (1.2.2-2ubuntu1.1)
trusty/esm_librelp: released (1.2.2-2ubuntu1.1)
xenial_librelp: ignored (end of standard support, was needed)
artful_librelp: ignored (reached end-of-life)
bionic_librelp: needed
cosmic_librelp: not-affected (1.2.15-1)
disco_librelp: not-affected (1.2.15-1)
eoan_librelp: not-affected (1.2.15-1)
focal_librelp: not-affected (1.2.15-1)
groovy_librelp: not-affected (1.2.15-1)
hirsute_librelp: not-affected (1.2.15-1)
impish_librelp: not-affected (1.2.15-1)
jammy_librelp: not-affected (1.2.15-1)
devel_librelp: not-affected (1.2.15-1)