RHSA-2021:1354 - Security Advisory

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

Description

XStream is a Java XML serialization library to serialize objects to and deserialize object from XML.

Security Fix(es):

• XStream: Unsafe deserizaliation of javax.sql.rowset.BaseRowSet (CVE-2021-21344)
• XStream: Unsafe deserizaliation of com.sun.corba.se.impl.activation.ServerTableEntry (CVE-2021-21345)
• XStream: Unsafe deserizaliation of sun.swing.SwingLazyValue (CVE-2021-21346)
• XStream: Unsafe deserizaliation of com.sun.tools.javac.processing.JavacProcessingEnvironment NameProcessIterator (CVE-2021-21347)
• XStream: Unsafe deserizaliation of com.sun.org.apache.bcel.internal.util.ClassLoader (CVE-2021-21350)

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.

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

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

• BZ - 1942554 - CVE-2021-21344 XStream: Unsafe deserizaliation of javax.sql.rowset.BaseRowSet
• BZ - 1942558 - CVE-2021-21345 XStream: Unsafe deserizaliation of com.sun.corba.se.impl.activation.ServerTableEntry
• BZ - 1942578 - CVE-2021-21346 XStream: Unsafe deserizaliation of sun.swing.SwingLazyValue
• BZ - 1942629 - CVE-2021-21347 XStream: Unsafe deserizaliation of com.sun.tools.javac.processing.JavacProcessingEnvironment NameProcessIterator
• BZ - 1942637 - CVE-2021-21350 XStream: Unsafe deserizaliation of com.sun.org.apache.bcel.internal.util.ClassLoader

CVEs

• CVE-2021-21344
• CVE-2021-21345
• CVE-2021-21346
• CVE-2021-21347
• CVE-2021-21350

References

• https://access.redhat.com/security/updates/classification/#important