Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 507
Alerts This Week
Warning Icon 1 507

Red Hat 7 Update RHSA-2018-1372 Important: HAProxy DoS Risk

red hat
Calendar Grey May 15, 2018
Scroller Redhat
This notice outlines a crucial security patch for rh-haproxy18-haproxy, addressing a service disruption vulnerability within Red Hat.
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: Heap buffer overflow in mux_h2.c:h2_process_demux() can allow attackers to cause a denial of service (CVE-2018-10184)
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.

Topics%20covered

Topics Covered

security advisory denial of service security update important haproxy red hat software

References

https://access.redhat.com/security/cve/CVE-2018-10184 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: rh-haproxy18-haproxy-1.8.4-2.el7.src.rpm
x86_64: rh-haproxy18-haproxy-1.8.4-2.el7.x86_64.rpm rh-haproxy18-haproxy-debuginfo-1.8.4-2.el7.x86_64.rpm rh-haproxy18-haproxy-syspaths-1.8.4-2.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3):
Source: rh-haproxy18-haproxy-1.8.4-2.el7.src.rpm
x86_64: rh-haproxy18-haproxy-1.8.4-2.el7.x86_64.rpm rh-haproxy18-haproxy-debuginfo-1.8.4-2.el7.x86_64.rpm rh-haproxy18-haproxy-syspaths-1.8.4-2.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4):
Source: rh-haproxy18-haproxy-1.8.4-2.el7.src.rpm
x86_64: rh-haproxy18-haproxy-1.8.4-2.el7.x86_64.rpm rh-haproxy18-haproxy-debuginfo-1.8.4-2.el7.x86_64.rpm rh-haproxy18-haproxy-syspaths-1.8.4-2.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5):
Source: rh-haproxy18-haproxy-1.8.4-2.el7.src.rpm
x86_64: rh-haproxy18-haproxy-1.8.4-2.el7.x86_64.rpm rh-haproxy18-haproxy-debuginfo-1.8.4-2.el7.x86_64.rpm rh-haproxy18-haproxy-syspaths-1.8.4-2.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-haproxy18-haproxy-1.8.4-2.el7.src.rpm
x86_64: rh-haproxy18-haproxy-1.8.4-2.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:1372-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1372
Issue date: 2018-05-14

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 Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory denial of service security update important haproxy red hat software

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. 7.3) - x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) - 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 Workstation (v. 7) - x86_64

Bugs Fixed

1569297 - CVE-2018-10184 haproxy: Heap buffer overflow in mux_h2.c:h2_process_demux() can allow attackers to cause a denial of service

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.