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Red Hat Enterprise Linux 8: RHSA-2020-1576-01 Moderate: Memcached DoS

red hat
Calendar Grey April 28, 2020
Dist Redhat Esm H88
The latest Memcached patch for Red Hat Enterprise Linux 8 resolves several moderate vulnerabilities related to potential denial of service exploits.
An update for memcached is now available for Red Hat Enterprise Linux 8

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

memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load.
Security Fix(es):
* memcached: null-pointer dereference in "lru mode" and "lru temp_ttl" causing denial of service (CVE-2019-11596)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.2 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory Red Hat update security impact Denial of Service Moderate memcached

References

https://access.redhat.com/security/cve/CVE-2019-11596 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: memcached-1.5.9-3.el8.src.rpm
aarch64: memcached-1.5.9-3.el8.aarch64.rpm memcached-debuginfo-1.5.9-3.el8.aarch64.rpm memcached-debugsource-1.5.9-3.el8.aarch64.rpm
ppc64le: memcached-1.5.9-3.el8.ppc64le.rpm memcached-debuginfo-1.5.9-3.el8.ppc64le.rpm memcached-debugsource-1.5.9-3.el8.ppc64le.rpm
s390x: memcached-1.5.9-3.el8.s390x.rpm memcached-debuginfo-1.5.9-3.el8.s390x.rpm memcached-debugsource-1.5.9-3.el8.s390x.rpm
x86_64: memcached-1.5.9-3.el8.x86_64.rpm memcached-debuginfo-1.5.9-3.el8.x86_64.rpm memcached-debugsource-1.5.9-3.el8.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/


Advisory ID: RHSA-2020:1576-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1576
Issue date: 2020-04-28

Topic

An update for memcached is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. 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 security impact Denial of Service Moderate memcached

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1706001 - CVE-2019-11596 memcached: null-pointer dereference in "lru mode" and "lru temp_ttl" causing denial of service

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