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Red Hat Enterprise Linux 7.2: RHSA-2018:1703-01 Critical Buffer Overflow

red hat
Calendar Grey May 23, 2018
Scroller Redhat
Debian's essential update for libcurl tackles a security vulnerability, enhancing safety for organizational systems.
An update for librelp is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, and Red Hat Enterprise ...

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 update buffer overflow critical security fix red hat enterprise 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. 7.2):
Source: librelp-1.2.0-4.el7_2.src.rpm
x86_64: librelp-1.2.0-4.el7_2.i686.rpm librelp-1.2.0-4.el7_2.x86_64.rpm librelp-debuginfo-1.2.0-4.el7_2.i686.rpm librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.2):
Source: librelp-1.2.0-4.el7_2.src.rpm
ppc64le: librelp-1.2.0-4.el7_2.ppc64le.rpm librelp-debuginfo-1.2.0-4.el7_2.ppc64le.rpm
x86_64: librelp-1.2.0-4.el7_2.i686.rpm librelp-1.2.0-4.el7_2.x86_64.rpm librelp-debuginfo-1.2.0-4.el7_2.i686.rpm librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server TUS (v. 7.2):
Source: librelp-1.2.0-4.el7_2.src.rpm
x86_64: librelp-1.2.0-4.el7_2.i686.rpm librelp-1.2.0-4.el7_2.x86_64.rpm librelp-debuginfo-1.2.0-4.el7_2.i686.rpm librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.2):
x86_64: librelp-debuginfo-1.2.0-4.el7_2.i686.rpm librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm librelp-devel-1.2.0-4.el7_2.i686.rpm librelp-devel-1.2.0-4.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server Optional E4S (v. 7.2):
ppc64le: librelp-debuginfo-1.2.0-4.el7_2.ppc64le.rpm librelp-devel-1.2.0-4.el7_2.ppc64le.rpm
x86_64: librelp-debuginfo-1.2.0-4.el7_2.i686.rpm librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm librelp-devel-1.2.0-4.el7_2.i686.rpm

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:1703-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1703
Issue date: 2018-05-23

Topic

An update for librelp is now available for Red Hat Enterprise Linux 7.2Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.2 Update Services for SAPSolutions.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 update buffer overflow critical security fix red hat enterprise librelp

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.2) - x86_64

Red Hat Enterprise Linux Server E4S (v. 7.2) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 7.2) - x86_64

Red Hat Enterprise Linux Server Optional E4S (v. 7.2) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 7.2) - x86_64

Red Hat Enterprise Linux Server TUS (v. 7.2) - x86_64

Bugs Fixed

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

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