CVE-2016-1240
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 9.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 9.8% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 9.8% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Apache Tomcat 6.0
- Apache Tomcat 7.0
- Apache Tomcat 8.0
Attack profile CVSS 3.0 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-1240.md and follow it. Check whether this project is affected by CVE-2016-1240. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
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
- 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