Improper Input Validation Affecting tomcat6 package, versions <6.0.35-1ubuntu3.8
Threat Intelligence
Snyk has a published code exploit for this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UBUNTU1204-TOMCAT6-329827
- published3 Oct 2016
- disclosed3 Oct 2016
Introduced: 3 Oct 2016
CVE-2016-1240 (opens in a new tab)How to fix?
Upgrade Ubuntu:12.04 tomcat6 to version 6.0.35-1ubuntu3.8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tomcat6 package and not the tomcat6 package as distributed by Ubuntu.
See How to fix? for Ubuntu:12.04 relevant fixed versions and status.
The Tomcat init script in the tomcat7 package before 7.0.56-3+deb8u4 and tomcat8 package before 8.0.14-1+deb8u3 on Debian jessie and the tomcat6 and libtomcat6-java packages before 6.0.35-1ubuntu3.8 on Ubuntu 12.04 LTS, the tomcat7 and libtomcat7-java packages before 7.0.52-1ubuntu0.7 on Ubuntu 14.04 LTS, and tomcat8 and libtomcat8-java packages before 8.0.32-1ubuntu1.2 on Ubuntu 16.04 LTS allows local users with access to the tomcat account to gain root privileges via a symlink attack on the Catalina log file, as demonstrated by /var/log/tomcat7/catalina.out.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-1240
- http://www.securityfocus.com/archive/1/539519/100/0/threaded
- http://www.debian.org/security/2016/dsa-3669
- http://www.debian.org/security/2016/dsa-3670
- https://security-tracker.debian.org/tracker/CVE-2016-1240
- https://www.exploit-db.com/exploits/40450/
- https://security.gentoo.org/glsa/201705-09
- http://legalhackers.com/advisories/Tomcat-DebPkgs-Root-Privilege-Escalation-Exploit-CVE-2016-1240.html
- https://security.netapp.com/advisory/ntap-20180731-0002/
- http://rhn.redhat.com/errata/RHSA-2017-0457.html
- https://access.redhat.com/errata/RHSA-2017:0455
- https://access.redhat.com/errata/RHSA-2017:0456
- http://www.securityfocus.com/bid/93263
- http://www.securitytracker.com/id/1036845
- http://www.ubuntu.com/usn/USN-3081-1
- http://packetstormsecurity.com/files/170857/Apache-Tomcat-On-Ubuntu-Log-Init-Privilege-Escalation.html
- https://www.exploit-db.com/exploits/40450