CVE-2015-8103

high-risk
Published 2015-11-25

The Jenkins CLI subsystem in Jenkins before 1.638 and LTS before 1.625.2 allows remote attackers to execute arbitrary code via a crafted serialized Java object, related to a problematic webapps/ROOT/WEB-INF/lib/commons-collections-*.jar file and the "Groovy variant in 'ysoserial'".

Do I need to act?

!
90.4% chance of exploitation in next 30 days
EPSS score — higher than 10% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
38983
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Jenkins Redhat

References (24)

Exploit http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-...
Exploit http://packetstormsecurity.com/files/134805/Jenkins-CLI-RMI-Java-Deserialization...
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-0489.html
Mailing List http://www.openwall.com/lists/oss-security/2015/11/09/5
Mailing List http://www.openwall.com/lists/oss-security/2015/11/18/11
Mailing List http://www.openwall.com/lists/oss-security/2015/11/18/13
Mailing List http://www.openwall.com/lists/oss-security/2015/11/18/2
Broken Link http://www.securityfocus.com/bid/77636
Third Party Advisory https://access.redhat.com/errata/RHSA-2016:0070
Exploit https://jenkins-ci.org/content/mitigating-unauthenticated-remote-code-execution-...
Vendor Advisory https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2015-11-1...
Exploit https://www.exploit-db.com/exploits/38983/
Exploit http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-...
Exploit http://packetstormsecurity.com/files/134805/Jenkins-CLI-RMI-Java-Deserialization...
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-0489.html
Mailing List http://www.openwall.com/lists/oss-security/2015/11/09/5
Mailing List http://www.openwall.com/lists/oss-security/2015/11/18/11
Mailing List http://www.openwall.com/lists/oss-security/2015/11/18/13
Mailing List http://www.openwall.com/lists/oss-security/2015/11/18/2
Broken Link http://www.securityfocus.com/bid/77636
and 4 more references
69
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 10/34 · Low