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 exploitable a remote attacker that can connect to rsyslog and trigger a stack buffer overflow by sending a specially crafted x509 certificate.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 96%
Affected Products (NVD)
VendorProductVersion
rsysloglibrelp
𝑥
≤ 1.2.14
debiandebian_linux
8.0
debiandebian_linux
9.0
canonicalubuntu_linux
14.04
redhatenterprise_linux_desktop
6.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
6.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
6.6
redhatenterprise_linux_server_aus
7.2
redhatenterprise_linux_server_aus
7.3
redhatenterprise_linux_server_aus
7.4
redhatenterprise_linux_server_aus
7.6
redhatenterprise_linux_server_eus
6.7
redhatenterprise_linux_server_eus
7.3
redhatenterprise_linux_server_eus
7.4
redhatenterprise_linux_server_eus
7.5
redhatenterprise_linux_server_eus
7.6
redhatenterprise_linux_server_tus
6.6
redhatenterprise_linux_server_tus
7.2
redhatenterprise_linux_server_tus
7.3
redhatenterprise_linux_server_tus
7.4
redhatenterprise_linux_server_tus
7.6
redhatenterprise_linux_workstation
6.0
redhatenterprise_linux_workstation
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
librelp
bookworm
1.11.0-1
fixed
bullseye
1.10.0-1
fixed
sid
1.11.0-2
fixed
trixie
1.11.0-2
fixed
wheezy
not-affected
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
librelp
artful
ignored
bionic
Fixed 1.2.14-3ubuntu0.1~esm1
released
cosmic
not-affected
disco
not-affected
eoan
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
trusty
Fixed 1.2.2-2ubuntu1.1
released
xenial
Fixed 1.2.9-1ubuntu0.1~esm1
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
librelp-devel
suse enterprise sap 15
1.2.15-1.15
fixed
suse enterprise sap 15 SP1
1.2.15-1.15
fixed
suse enterprise sap 15 SP2
1.2.15-1.15
fixed
suse enterprise sap 15 SP3
1.2.15-1.15
fixed
suse enterprise sap 15 SP4
1.2.15-1.15
fixed
suse enterprise sap 15 SP7
1.11.0-150600.16.2
fixed
suse enterprise server 15
1.2.15-1.15
fixed
suse enterprise server 15 SP1
1.2.15-1.15
fixed
suse enterprise server 15 SP2
1.2.15-1.15
fixed
suse enterprise server 15 SP3
1.2.15-1.15
fixed
suse enterprise server 15 SP4
1.2.15-1.15
fixed
suse enterprise server 15 SP7
1.11.0-150600.16.2
fixed
librelp0
suse enterprise sap 15
1.2.15-1.15
fixed
suse enterprise sap 15 SP1
1.2.15-1.15
fixed
suse enterprise sap 15 SP2
1.2.15-1.15
fixed
suse enterprise sap 15 SP3
1.2.15-1.15
fixed
suse enterprise sap 15 SP4
1.2.15-1.15
fixed
suse enterprise sap 15 SP7
1.11.0-150600.16.2
fixed
suse enterprise server 15
1.2.15-1.15
fixed
suse enterprise server 15 SP1
1.2.15-1.15
fixed
suse enterprise server 15 SP2
1.2.15-1.15
fixed
suse enterprise server 15 SP3
1.2.15-1.15
fixed
suse enterprise server 15 SP4
1.2.15-1.15
fixed
suse enterprise server 15 SP7
1.11.0-150600.16.2
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
librelp
RHEL 6
0:1.2.7-3.el6_9.1
fixed
RHEL 7
0:1.2.12-1.el7_5.1
fixed
librelp-devel
RHEL 6
0:1.2.7-3.el6_9.1
fixed
RHEL 7
0:1.2.12-1.el7_5.1
fixed
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html
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
https://github.com/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
http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html
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
https://github.com/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