Access Restriction Bypass Affecting tomcat package, versions [,6.0.35-1)[6.0.0,6.0.45)[6.0.0,6.0.45)[7.0.0,7.0.28-4)[7.0.0,7.0.52-1)[7.0.0,7.0.56-3)[8.0.0,8.0.14-1)[8.0.0,8.0.32-1)[8.0.0,8.0.37-1)[8.0.0,8.0.38-2)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-UNMANAGED-TOMCAT-2382333
  • published26 Jan 2022
  • disclosed23 Mar 2017
  • creditUnknown

Introduced: 23 Mar 2017

CVE-2016-9775  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade tomcat to version 6.0.35-1, 6.0.45, 6.0.45, 7.0.28-4, 7.0.52-1, 7.0.56-3, 8.0.14-1, 8.0.32-1, 8.0.37-1, 8.0.38-2 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass. The postrm script in the tomcat6 package before 6.0.45+dfsg-1deb7u3 on Debian wheezy, before 6.0.45+dfsg-1deb8u1 on Debian jessie, before 6.0.35-1ubuntu3.9 on Ubuntu 12.04 LTS and on Ubuntu 14.04 LTS; the tomcat7 package before 7.0.28-4+deb7u7 on Debian wheezy, before 7.0.56-3+deb8u6 on Debian jessie, before 7.0.52-1ubuntu0.8 on Ubuntu 14.04 LTS, and on Ubuntu 12.04 LTS, 16.04 LTS, and 16.10; and the tomcat8 package before 8.0.14-1+deb8u5 on Debian jessie, before 8.0.32-1ubuntu1.3 on Ubuntu 16.04 LTS, before 8.0.37-1ubuntu0.1 on Ubuntu 16.10, and before 8.0.38-2ubuntu1 on Ubuntu 17.04 might allow local users with access to the tomcat account to gain root privileges via a setgid program in the Catalina directory, as demonstrated by /etc/tomcat8/Catalina/attack.

CVSS Scores

version 3.1