CVE-2016-1240 EXPLOIT
7.8
HIGH · CVSS 3.0 · EPSS 9.8% (pctl 95)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.8 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 9.78% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2016-10-03 |
| Last modified | 2026-06-17 |
Affected (3)
| Vendor | Product |
|---|---|
| apache | tomcat |
| canonical | ubuntu linux |
| debian | debian linux |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Apache Tomcat 8/7/6 (Debian-Based Distros) - Local Privilege Escalation | 2016-10-03 |
References
- http://legalhackers.com/advisories/Tomcat-DebPkgs-Root-Privilege-Escalation-Exploit-CVE-2016-1240.html
- http://packetstormsecurity.com/files/170857/Apache-Tomcat-On-Ubuntu-Log-Init-Privilege-Escalation.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/
- http://legalhackers.com/advisories/Tomcat-DebPkgs-Root-Privilege-Escalation-Exploit-CVE-2016-1240.html
- http://packetstormsecurity.com/files/170857/Apache-Tomcat-On-Ubuntu-Log-Init-Privilege-Escalation.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
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