CVE-2018-1000140

CRITICALImmediate

Published:Mar 23, 2018(8 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability 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.

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
rsyslog	librelp	1.2.14	-
debian	debian_linux	-	-
debian	debian_linux	-

Timeline

Published
CVE disclosed publicly
Mar 23, 20188 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execut...
https://access.redhat.com/errata/RHSA-2018:1223Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1225Third Party Advisory

CVSS Score

v3.1

9.8/ 10.0

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

At a Glance

Affected Products

References

rsyslog / librelp

https://access.redhat.com/errata/RHSA-2018:1701Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1702Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1703Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1704Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1707Third Party Advisory

https://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df...Patch

https://lgtm.com/rules/1505913226124/Exploit

https://security.gentoo.org/glsa/201804-21Third Party Advisory

https://usn.ubuntu.com/3612-1/Third Party Advisory

https://www.debian.org/security/2018/dsa-4151Third Party Advisory

http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execut...

https://access.redhat.com/errata/RHSA-2018:1223Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1225Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1701Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1702Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1703Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1704Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1707Third Party Advisory

https://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df...Patch

https://lgtm.com/rules/1505913226124/Exploit

https://security.gentoo.org/glsa/201804-21Third Party Advisory

https://usn.ubuntu.com/3612-1/Third Party Advisory

https://www.debian.org/security/2018/dsa-4151Third Party Advisory

CVSS v3 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Impact Analysis

ConfidentialityHigh

NoneLowHigh

IntegrityHigh

NoneLowHigh

AvailabilityHigh

NoneLowHigh

CVE-2018-1000140

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description