CVE-2016-9774

Name: CVE-2016-9774
Creator: NVD / NIST
Published: 2017-03-23T16:59:00.293+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.75%

Last modified Jun 17, 2026

CVE-2016-9774 is a vulnerability of currently unknown severity. The postinst script in the tomcat6 package before 6.0.45+dfsg-1~deb7u4 on Debian wheezy, 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+deb7u8 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 obtain sensitive information or gain root privileges via a symlink attack on the Catalina localhost directory.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

The postinst script in the tomcat6 package before 6.0.45+dfsg-1~deb7u4 on Debian wheezy, 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+deb7u8 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 obtain sensitive information or gain root privileges via a symlink attack on the Catalina localhost directory.

Metrics

EPSS Probability

0.75%

50.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-59

Affected Software

Vendor	Product	Versions
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	16.10
Apache	Tomcat	6.0
Apache	Tomcat	7.0
Apache	Tomcat	8.0

References

http://www.debian.org/security/2016/dsa-3738Third Party Advisory
http://www.debian.org/security/2016/dsa-3739Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/10Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/5Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94643Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3177-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3177-2Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845393Mailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20180731-0002/
http://www.debian.org/security/2016/dsa-3738Third Party Advisory
http://www.debian.org/security/2016/dsa-3739Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/10Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/5Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94643Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3177-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3177-2Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845393Mailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20180731-0002/

Timeline

Published: Mar 23, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9774?

How severe is CVE-2016-9774?

Severity scoring for CVE-2016-9774 is pending analysis. The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9774?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-9774?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST