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Out-of-bounds Write Affecting librelp-debuginfo package, versions <0:1.2.12-1.amzn2.0.1

Severity

 Recommended
critical

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
9.34% (96th percentile)

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  • Snyk IDSNYK-AMZN2-LIBRELPDEBUGINFO-1662103
  • published27 Sept 2021
  • disclosed23 Mar 2018
Report a new vulnerability Found a mistake?

Introduced: 23 Mar 2018

CVE-2018-1000140  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 librelp-debuginfo to version 0:1.2.12-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2018-998.

NVD Description

Note: Versions mentioned in the description apply only to the upstream librelp-debuginfo package and not the librelp-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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.