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RedHat: RHSA-2020-1290-01 Critical: rh-haproxy HTTP/2 Out-of-Bounds Write

red hat
Calendar Grey April 2, 2020
Dist Redhat Esm H88
Important notice regarding rh-haproxy: a critical defect related to out-of-bounds writes that affects Red Hat Software Collections has been identified. Further information is available within.
An update for rh-haproxy18-haproxy is now available for Red Hat Software Collections

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

HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments.
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 security update critical out-of-bounds software collections http2 rh-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 Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: rh-haproxy18-haproxy-1.8.17-1.el7.1.src.rpm
x86_64: rh-haproxy18-haproxy-1.8.17-1.el7.1.x86_64.rpm rh-haproxy18-haproxy-debuginfo-1.8.17-1.el7.1.x86_64.rpm rh-haproxy18-haproxy-syspaths-1.8.17-1.el7.1.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5):
Source: rh-haproxy18-haproxy-1.8.17-1.el7.1.src.rpm
x86_64: rh-haproxy18-haproxy-1.8.17-1.el7.1.x86_64.rpm rh-haproxy18-haproxy-debuginfo-1.8.17-1.el7.1.x86_64.rpm rh-haproxy18-haproxy-syspaths-1.8.17-1.el7.1.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6):
Source: rh-haproxy18-haproxy-1.8.17-1.el7.1.src.rpm
x86_64: rh-haproxy18-haproxy-1.8.17-1.el7.1.x86_64.rpm rh-haproxy18-haproxy-debuginfo-1.8.17-1.el7.1.x86_64.rpm rh-haproxy18-haproxy-syspaths-1.8.17-1.el7.1.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7):
Source: rh-haproxy18-haproxy-1.8.17-1.el7.1.src.rpm
x86_64: rh-haproxy18-haproxy-1.8.17-1.el7.1.x86_64.rpm rh-haproxy18-haproxy-debuginfo-1.8.17-1.el7.1.x86_64.rpm rh-haproxy18-haproxy-syspaths-1.8.17-1.el7.1.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-haproxy18-haproxy-1.8.17-1.el7.1.src.rpm
x86_64:

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1290-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1290
Issue date: 2020-04-02

Topic

An update for rh-haproxy18-haproxy is now available for Red Hat SoftwareCollections.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 security update critical out-of-bounds software collections http2 rh-haproxy

Relevant Releases Architectures

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) - x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) - x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Bugs Fixed

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

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