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CVE-2018-1000140

Published: Mar 23, 2018Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-787
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
9.7%
Top 5.1%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-787

Affected Products

n/an/a
librelprsyslog
On-prem
Enterprise Software / itsm-monitoring
debian linuxdebian
On-premOS
Operating Systems / linux-distro
ubuntu linuxcanonical
On-premOS
Operating Systems / linux-distro
enterprise linux desktopredhat
On-premOS
Operating Systems / linux-distro
rsyslogoss-projectEnterprise Softwareaka librelp, rsyslogd
debianoss-projectGBOperating Systemsaka debian gnu/linux
canonicalcommercialGBOperating Systemsaka canonical ltd.
redhatcommercialUSOperating Systemsaka red hat
and 10 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://usn.ubuntu.com/3612-1/
usn.ubuntu.com
https://security.gentoo.org/glsa/201804-21
security.gentoo.org
https://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9e/src/tcp.c#L1205
github.com
and 20 more references View all →

Timeline

Published
Mar 23, 2018
Last Updated
Nov 21, 2024

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