What’s Vulnerable › Vulnerabilities

CVE-2016-9775

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-23 · updated 2026-06-17
• Weakness: CWE-264

Description

The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0.45+dfsg-1~deb8u1 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.

Affected products

• Apache Tomcat: 6.0, 7.0, 8.0
• Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 16.10
• Debian Linux: 7.0, 8.0

References

• http://www.debian.org/security/2016/dsa-3738
• http://www.debian.org/security/2016/dsa-3739
• http://www.openwall.com/lists/oss-security/2016/12/02/10
• http://www.openwall.com/lists/oss-security/2016/12/02/5
• http://www.securityfocus.com/bid/94643
• http://www.ubuntu.com/usn/USN-3177-1
• http://www.ubuntu.com/usn/USN-3177-2
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845385
• https://security.netapp.com/advisory/ntap-20180731-0002/
• https://www.oracle.com/security-alerts/cpuApr2021.html
• http://www.debian.org/security/2016/dsa-3738
• http://www.debian.org/security/2016/dsa-3739

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