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Red Hat 7: RHSA-2021-2683-01 Important XStream RCE Issue

red hat
Calendar Grey July 12, 2021
Scroller Redhat
Secure your RHEL 7 system by applying the latest xstream update. Follow these key steps: back up, check version, update, verify, restart services, and monitor logs.
An update for xstream is now available for Red Hat Enterprise Linux 7

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

XStream is a Java XML serialization library to serialize objects to and deserialize object from XML.
Security Fix(es):
* XStream: remote command execution attack by manipulating the processed input stream (CVE-2021-29505)
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 Red Hat remote command execution important update xstream

References

https://access.redhat.com/security/cve/CVE-2021-29505 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Client Optional (v. 7):
Source: xstream-1.3.1-14.el7_9.src.rpm
noarch: xstream-1.3.1-14.el7_9.noarch.rpm xstream-javadoc-1.3.1-14.el7_9.noarch.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source: xstream-1.3.1-14.el7_9.src.rpm
noarch: xstream-1.3.1-14.el7_9.noarch.rpm xstream-javadoc-1.3.1-14.el7_9.noarch.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source: xstream-1.3.1-14.el7_9.src.rpm
noarch: xstream-1.3.1-14.el7_9.noarch.rpm xstream-javadoc-1.3.1-14.el7_9.noarch.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
Source: xstream-1.3.1-14.el7_9.src.rpm
noarch: xstream-1.3.1-14.el7_9.noarch.rpm xstream-javadoc-1.3.1-14.el7_9.noarch.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-2021:2683-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2683
Issue date: 2021-07-12

Topic

An update for xstream is now available for Red Hat Enterprise Linux 7.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 Red Hat remote command execution important update xstream

Relevant Releases Architectures

Red Hat Enterprise Linux Client Optional (v. 7) - noarch

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch

Red Hat Enterprise Linux Server Optional (v. 7) - noarch

Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch

Bugs Fixed

1966735 - CVE-2021-29505 XStream: remote command execution attack by manipulating the processed input stream

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