RHSA-2021:3956 - 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: Arbitrary code execution via unsafe deserialization of Xalan xsltc.trax.TemplatesImpl (CVE-2021-39139)
• xstream: Arbitrary code execution via unsafe deserialization of com.sun.xml.internal.ws.client.sei.* (CVE-2021-39141)
• xstream: Arbitrary code execution via unsafe deserialization of sun.tracing.* (CVE-2021-39144)
• xstream: Arbitrary code execution via unsafe deserialization of com.sun.jndi.ldap.LdapBindingEnumeration (CVE-2021-39145)
• xstream: Arbitrary code execution via unsafe deserialization of javax.swing.UIDefaults$ProxyLazyValue (CVE-2021-39146)
• xstream: Arbitrary code execution via unsafe deserialization of com.sun.jndi.ldap.LdapSearchEnumeration (CVE-2021-39147)
• xstream: Arbitrary code execution via unsafe deserialization of com.sun.jndi.toolkit.dir.ContextEnumerator (CVE-2021-39148)
• xstream: Arbitrary code execution via unsafe deserialization of com.sun.corba.* (CVE-2021-39149)
• xstream: Server-side request forgery (SSRF) via unsafe deserialization of com.sun.xml.internal.ws.client.sei.* (CVE-2021-39150)
• xstream: Arbitrary code execution via unsafe deserialization of com.sun.jndi.ldap.LdapBindingEnumeration (CVE-2021-39151)
• xstream: Server-side request forgery (SSRF) via unsafe deserialization of jdk.nashorn.internal.runtime.Source$URLData (CVE-2021-39152)
• xstream: Arbitrary code execution via unsafe deserialization of Xalan xsltc.trax.TemplatesImpl (CVE-2021-39153)
• xstream: Arbitrary code execution via unsafe deserialization of javax.swing.UIDefaults$ProxyLazyValue (CVE-2021-39154)
• xstream: Infinite loop DoS via unsafe deserialization of sun.reflect.annotation.AnnotationInvocationHandler (CVE-2021-39140)

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 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

Fixes

• BZ - 1997763 - CVE-2021-39139 xstream: Arbitrary code execution via unsafe deserialization of Xalan xsltc.trax.TemplatesImpl
• BZ - 1997765 - CVE-2021-39140 xstream: Infinite loop DoS via unsafe deserialization of sun.reflect.annotation.AnnotationInvocationHandler
• BZ - 1997769 - CVE-2021-39141 xstream: Arbitrary code execution via unsafe deserialization of com.sun.xml.internal.ws.client.sei.*
• BZ - 1997772 - CVE-2021-39144 xstream: Arbitrary code execution via unsafe deserialization of sun.tracing.*
• BZ - 1997775 - CVE-2021-39145 xstream: Arbitrary code execution via unsafe deserialization of com.sun.jndi.ldap.LdapBindingEnumeration
• BZ - 1997777 - CVE-2021-39146 xstream: Arbitrary code execution via unsafe deserialization of javax.swing.UIDefaults$ProxyLazyValue
• BZ - 1997779 - CVE-2021-39147 xstream: Arbitrary code execution via unsafe deserialization of com.sun.jndi.ldap.LdapSearchEnumeration
• BZ - 1997781 - CVE-2021-39148 xstream: Arbitrary code execution via unsafe deserialization of com.sun.jndi.toolkit.dir.ContextEnumerator
• BZ - 1997784 - CVE-2021-39149 xstream: Arbitrary code execution via unsafe deserialization of com.sun.corba.*
• BZ - 1997786 - CVE-2021-39150 xstream: Server-side request forgery (SSRF) via unsafe deserialization of com.sun.xml.internal.ws.client.sei.*
• BZ - 1997791 - CVE-2021-39151 xstream: Arbitrary code execution via unsafe deserialization of com.sun.jndi.ldap.LdapBindingEnumeration
• BZ - 1997793 - CVE-2021-39152 xstream: Server-side request forgery (SSRF) via unsafe deserialization of jdk.nashorn.internal.runtime.Source$URLData
• BZ - 1997795 - CVE-2021-39153 xstream: Arbitrary code execution via unsafe deserialization of Xalan xsltc.trax.TemplatesImpl
• BZ - 1997801 - CVE-2021-39154 xstream: Arbitrary code execution via unsafe deserialization of javax.swing.UIDefaults$ProxyLazyValue

CVEs

• CVE-2021-39139
• CVE-2021-39140
• CVE-2021-39141
• CVE-2021-39144
• CVE-2021-39145
• CVE-2021-39146
• CVE-2021-39147
• CVE-2021-39148
• CVE-2021-39149
• CVE-2021-39150
• CVE-2021-39151
• CVE-2021-39152
• CVE-2021-39153
• CVE-2021-39154

References

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