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RedHat: RHSA-2020:1289-01 Critical: Haproxy Out-Of-Bounds Issue

red hat
Calendar Grey April 2, 2020
Dist Redhat Esm H88
Urgent HAProxy security patch released for RHEL. Fix the buffer overflow vulnerability immediately.
An update for haproxy is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

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

The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications.
Security Fix(es):
* haproxy: malformed HTTP/2 requests can lead to out-of-bounds writes (CVE-2020-11100)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory update critical redhat out-of-bounds haproxy

References

https://access.redhat.com/security/cve/CVE-2020-11100 https://access.redhat.com/security/updates/classification#critical https://access.redhat.com/security/vulnerabilities/haproxy

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.0):
Source: haproxy-1.8.15-5.el8_0.1.src.rpm
aarch64: haproxy-1.8.15-5.el8_0.1.aarch64.rpm haproxy-debuginfo-1.8.15-5.el8_0.1.aarch64.rpm haproxy-debugsource-1.8.15-5.el8_0.1.aarch64.rpm
ppc64le: haproxy-1.8.15-5.el8_0.1.ppc64le.rpm haproxy-debuginfo-1.8.15-5.el8_0.1.ppc64le.rpm haproxy-debugsource-1.8.15-5.el8_0.1.ppc64le.rpm
s390x: haproxy-1.8.15-5.el8_0.1.s390x.rpm haproxy-debuginfo-1.8.15-5.el8_0.1.s390x.rpm haproxy-debugsource-1.8.15-5.el8_0.1.s390x.rpm
x86_64: haproxy-1.8.15-5.el8_0.1.x86_64.rpm haproxy-debuginfo-1.8.15-5.el8_0.1.x86_64.rpm haproxy-debugsource-1.8.15-5.el8_0.1.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-2020:1289-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1289
Issue date: 2020-04-02

Topic

An update for haproxy is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.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 critical redhat out-of-bounds haproxy

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.0) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1819111 - CVE-2020-11100 haproxy: malformed HTTP/2 requests can lead to out-of-bounds writes

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