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Red Hat Enterprise Linux 6.6: RHSA-2018-1701-01 Critical librelp Overflow

red hat
Calendar Grey May 23, 2018
Scroller Redhat
Red Hat has issued an important security update for the librelp library, essential for messaging and logging in applications, ensuring system security on RHEL
An update for librelp is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support and Red Hat Enterprise Linux 6.6 Telco Extended Update Support

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

Librelp is an easy-to-use library for the Reliable Event Logging Protocol (RELP) protocol. RELP is a general-purpose, extensible logging protocol.
Security Fix(es):
* librelp: Stack-based buffer overflow in relpTcpChkPeerName function in src/tcp.c (CVE-2018-1000140)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Rainer Gerhards (rsyslog) for reporting this issue. Upstream acknowledges Bas van Schaik (lgtm.com / Semmle) and Kevin Backhouse (lgtm.com / Semmle) as the original reporters.

Topics%20covered

Topics Covered

security advisory Red Hat update buffer overflow critical security impact librelp

References

https://access.redhat.com/security/cve/CVE-2018-1000140 https://access.redhat.com/security/updates/classification/#critical

Package List

Red Hat Enterprise Linux Server AUS (v. 6.6):
Source: librelp-1.2.7-3.el6_6.1.src.rpm
x86_64: librelp-1.2.7-3.el6_6.1.x86_64.rpm librelp-debuginfo-1.2.7-3.el6_6.1.x86_64.rpm
Red Hat Enterprise Linux Server TUS (v. 6.6):
Source: librelp-1.2.7-3.el6_6.1.src.rpm
x86_64: librelp-1.2.7-3.el6_6.1.x86_64.rpm librelp-debuginfo-1.2.7-3.el6_6.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 6.6):
x86_64: librelp-1.2.7-3.el6_6.1.i686.rpm librelp-debuginfo-1.2.7-3.el6_6.1.i686.rpm librelp-debuginfo-1.2.7-3.el6_6.1.x86_64.rpm librelp-devel-1.2.7-3.el6_6.1.i686.rpm librelp-devel-1.2.7-3.el6_6.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional TUS (v. 6.6):
x86_64: librelp-1.2.7-3.el6_6.1.i686.rpm librelp-debuginfo-1.2.7-3.el6_6.1.i686.rpm librelp-debuginfo-1.2.7-3.el6_6.1.x86_64.rpm librelp-devel-1.2.7-3.el6_6.1.i686.rpm librelp-devel-1.2.7-3.el6_6.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:1701-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1701
Issue date: 2018-05-23

Topic

An update for librelp is now available for Red Hat Enterprise Linux 6.6Advanced Update Support and Red Hat Enterprise Linux 6.6 Telco ExtendedUpdate Support.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat update buffer overflow critical security impact librelp

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 6.6) - x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 6.6) - x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 6.6) - x86_64

Red Hat Enterprise Linux Server TUS (v. 6.6) - x86_64

Bugs Fixed

1560084 - CVE-2018-1000140 librelp: Stack-based buffer overflow in relpTcpChkPeerName function in src/tcp.c

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