Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.38
EPSS Ranking 97.0%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
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
Products affected by CVE-2018-1000140
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cpe:2.3:a:rsyslog:librelp:0.1.0
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cpe:2.3:a:rsyslog:librelp:0.1.1
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cpe:2.3:a:rsyslog:librelp:0.1.3
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cpe:2.3:a:rsyslog:librelp:1.0.0
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cpe:2.3:a:rsyslog:librelp:1.0.1
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cpe:2.3:a:rsyslog:librelp:1.0.2
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cpe:2.3:a:rsyslog:librelp:1.0.3
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cpe:2.3:a:rsyslog:librelp:1.0.5
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cpe:2.3:a:rsyslog:librelp:1.0.6
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cpe:2.3:a:rsyslog:librelp:1.0.7
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cpe:2.3:a:rsyslog:librelp:1.1.0
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cpe:2.3:a:rsyslog:librelp:1.1.1
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cpe:2.3:a:rsyslog:librelp:1.1.2
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cpe:2.3:a:rsyslog:librelp:1.1.3
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cpe:2.3:a:rsyslog:librelp:1.1.4
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cpe:2.3:a:rsyslog:librelp:1.1.5
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cpe:2.3:a:rsyslog:librelp:1.2.0
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cpe:2.3:a:rsyslog:librelp:1.2.1
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cpe:2.3:a:rsyslog:librelp:1.2.10
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cpe:2.3:a:rsyslog:librelp:1.2.11
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cpe:2.3:a:rsyslog:librelp:1.2.12
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cpe:2.3:a:rsyslog:librelp:1.2.13
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cpe:2.3:a:rsyslog:librelp:1.2.14
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cpe:2.3:a:rsyslog:librelp:1.2.2
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cpe:2.3:a:rsyslog:librelp:1.2.3
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cpe:2.3:a:rsyslog:librelp:1.2.4
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cpe:2.3:a:rsyslog:librelp:1.2.5
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cpe:2.3:a:rsyslog:librelp:1.2.7
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cpe:2.3:a:rsyslog:librelp:1.2.8
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cpe:2.3:a:rsyslog:librelp:1.2.9
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:redhat:enterprise_linux_desktop:6.0
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cpe:2.3:o:redhat:enterprise_linux_desktop:7.0
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cpe:2.3:o:redhat:enterprise_linux_server:6.0
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cpe:2.3:o:redhat:enterprise_linux_server:7.0
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cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6
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cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2
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cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3
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cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4
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cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6
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cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7
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cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3
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cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4
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cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5
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cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6
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cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6
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cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2
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cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3
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cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4
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cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6
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cpe:2.3:o:redhat:enterprise_linux_workstation:6.0
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cpe:2.3:o:redhat:enterprise_linux_workstation:7.0