National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-1240 Detail

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.

Source:  MITRE      Last Modified:  10/03/2016

Quick Info

CVE Dictionary Entry:
CVE-2016-1240
Original release date:
10/03/2016
Last revised:
01/04/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
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 (legend)
Impact Score:
5.9
Exploitability Score:
1.8
CVSS Version 3 Metrics:
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.2 HIGH
Vector:
(AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://legalhackers.com/advisories/Tomcat-DebPkgs-Root-Privilege-Escalation-Exploit-CVE-2016-1240.html External Source MISC http://legalhackers.com/advisories/Tomcat-DebPkgs-Root-Privilege-Escalation-Exploit-CVE-2016-1240.html
http://rhn.redhat.com/errata/RHSA-2017-0457.html External Source REDHAT RHSA-2017:0457
http://www.debian.org/security/2016/dsa-3669 Third Party Advisory External Source DEBIAN DSA-3669
http://www.debian.org/security/2016/dsa-3670 Third Party Advisory External Source DEBIAN DSA-3670
http://www.securityfocus.com/archive/1/archive/1/539519/100/0/threaded Third Party Advisory; VDB Entry External Source BUGTRAQ 20161001 CVE-2016-1240 - Tomcat packaging on Debian-based distros - Local Root Privilege Escalation
http://www.securityfocus.com/bid/93263 External Source BID 93263
http://www.securitytracker.com/id/1036845 Third Party Advisory; VDB Entry External Source SECTRACK 1036845
http://www.ubuntu.com/usn/USN-3081-1 Third Party Advisory External Source UBUNTU USN-3081-1
https://access.redhat.com/errata/RHSA-2017:0455 External Source REDHAT RHSA-2017:0455
https://access.redhat.com/errata/RHSA-2017:0456 External Source REDHAT RHSA-2017:0456
https://security.gentoo.org/glsa/201705-09 External Source GENTOO GLSA-201705-09
https://www.exploit-db.com/exploits/40450/ External Source EXPLOIT-DB 40450

Technical Details

Vulnerability Type (View All)

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