Vulnerability CVE-2016-1240
Published: 2016-10-03

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
High
Tomcat packaging on Debian-based distros - Local Root Privilege Escalation
Dawid Golunski
01.10.2016
Med.
Apache Tomcat On Ubuntu Log Init Privilege Escalation
h00die
06.02.2023

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Apache -> Tomcat 

 References:
http://legalhackers.com/advisories/Tomcat-DebPkgs-Root-Privilege-Escalation-Exploit-CVE-2016-1240.html
http://rhn.redhat.com/errata/RHSA-2017-0457.html
http://www.debian.org/security/2016/dsa-3669
http://www.debian.org/security/2016/dsa-3670
http://www.securityfocus.com/archive/1/539519/100/0/threaded
http://www.securityfocus.com/bid/93263
http://www.securitytracker.com/id/1036845
http://www.ubuntu.com/usn/USN-3081-1
https://access.redhat.com/errata/RHSA-2017:0455
https://access.redhat.com/errata/RHSA-2017:0456
https://security.gentoo.org/glsa/201705-09
https://security.netapp.com/advisory/ntap-20180731-0002/
https://www.exploit-db.com/exploits/40450/
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