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Red Hat: RHSA-2021:3947-01 Important: redis Denial of Service Issue

red hat
Calendar Grey October 20, 2021
Dist Redhat Esm H88
By tackling key vulnerabilities, Red Hat's latest patch for rh-redis5-redis mitigates significant security concerns.
An update for rh-redis5-redis 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

Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, lists, sets, and sorted sets. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log.
Security Fix(es):
* redis: Lua scripts can overflow the heap-based Lua stack (CVE-2021-32626)
* redis: Integer overflow issue with Streams (CVE-2021-32627)
* redis: Integer overflow bug in the ziplist data structure (CVE-2021-32628)
* redis: Denial of service via Redis Standard Protocol (RESP) request (CVE-2021-32675)
* redis: Integer overflow issue with intsets (CVE-2021-32687)
* redis: Integer overflow issue with strings (CVE-2021-41099)
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 Red Hat software fix Denial of Service Important redis

References

https://access.redhat.com/security/cve/CVE-2021-32626 https://access.redhat.com/security/cve/CVE-2021-32627 https://access.redhat.com/security/cve/CVE-2021-32628 https://access.redhat.com/security/cve/CVE-2021-32675 https://access.redhat.com/security/cve/CVE-2021-32687 https://access.redhat.com/security/cve/CVE-2021-41099 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: rh-redis5-redis-5.0.5-3.el7.src.rpm
ppc64le: rh-redis5-redis-5.0.5-3.el7.ppc64le.rpm rh-redis5-redis-debuginfo-5.0.5-3.el7.ppc64le.rpm
s390x: rh-redis5-redis-5.0.5-3.el7.s390x.rpm rh-redis5-redis-debuginfo-5.0.5-3.el7.s390x.rpm
x86_64: rh-redis5-redis-5.0.5-3.el7.x86_64.rpm rh-redis5-redis-debuginfo-5.0.5-3.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7):
Source: rh-redis5-redis-5.0.5-3.el7.src.rpm
ppc64le: rh-redis5-redis-5.0.5-3.el7.ppc64le.rpm rh-redis5-redis-debuginfo-5.0.5-3.el7.ppc64le.rpm
s390x: rh-redis5-redis-5.0.5-3.el7.s390x.rpm rh-redis5-redis-debuginfo-5.0.5-3.el7.s390x.rpm
x86_64: rh-redis5-redis-5.0.5-3.el7.x86_64.rpm rh-redis5-redis-debuginfo-5.0.5-3.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-redis5-redis-5.0.5-3.el7.src.rpm
x86_64: rh-redis5-redis-5.0.5-3.el7.x86_64.rpm rh-redis5-redis-debuginfo-5.0.5-3.el7.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
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:3947-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3947
Issue date: 2021-10-20

Topic

An update for rh-redis5-redis 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 security update Red Hat software fix Denial of Service Important redis

Relevant Releases Architectures

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - ppc64le, s390x, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64le, s390x, x86_64

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

Bugs Fixed

2010991 - CVE-2021-32687 redis: Integer overflow issue with intsets

2011000 - CVE-2021-32675 redis: Denial of service via Redis Standard Protocol (RESP) request

2011004 - CVE-2021-32628 redis: Integer overflow bug in the ziplist data structure

2011010 - CVE-2021-32627 redis: Integer overflow issue with Streams

2011017 - CVE-2021-32626 redis: Lua scripts can overflow the heap-based Lua stack

2011020 - CVE-2021-41099 redis: Integer overflow issue with strings

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