Improper input validation in Apache Tomcat
CVE-2016-1240
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.098 (95.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.098 · newest: 0.098 · change: 0.000
Affected products
- Apache Tomcat — versions 6.0, 7.0, 8.0
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1036845 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2016/dsa-3670 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201705-09 (vendor-advisory)
- legalhackers.com/advisories/Tomcat-DebPkgs-Root-Privilege-Escalation-Exploit-CV…
- www.securityfocus.com/bid/93263 (vdb-entry)
- rhn.redhat.com/errata/RHSA-2017-0457.html (vendor-advisory)
- security.netapp.com/advisory/ntap-20180731-0002/
- www.exploit-db.com/exploits/40450/ (exploit)
- www.debian.org/security/2016/dsa-3669 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:0455 (vendor-advisory)
Frequently asked questions
- What is CVE-2016-1240?
- CVE-2016-1240 is a high-severity vulnerability in Apache Tomcat, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2016-10-03.
- How severe is CVE-2016-1240?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2016-1240 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.