CVE-2016-9774 json
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 o…
published 2017-03-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-10575
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- tomcat7 Ubuntu 14.04 LTS 7.0.52-1ubuntu0.8
- tomcat7 Ubuntu 16.04 LTS 7.0.68-1ubuntu0.3
- tomcat8 Ubuntu 16.04 LTS 8.0.32-1ubuntu1.3
ubuntu advisories UBUNTU-CVE-2016-9774
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
ubuntu.com
/usn/USN-3177-2
vendor-advisory, third-party-advisory
-
debian.org
/security/2016/dsa-3739
vendor-advisory, third-party-advisory
-
debian.org
/security/2016/dsa-3738
vendor-advisory, third-party-advisory
-
ubuntu.com
/usn/USN-3177-1
vendor-advisory, third-party-advisory
-
securityfocus.com
/bid/94643
vdb-entry, third-party-advisory
-
openwall.com
/lists/oss-security/2016/12/02/5
mailing-list, third-party-advisory
-
openwall.com
/lists/oss-security/2016/12/02/10
mailing-list, third-party-advisory
- security.netapp.com /advisory/ntap-20180731-0002/
-
bugs.debian.org
/cgi-bin/bugreport.cgi?bug=845393
mailing-list, third-party-advisory
Sources
- CVE List CVE-2016-9774
- NVD CVE-2016-9774
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.