CVE-2016-1247

Publication date 25 October 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

The nginx package before 1.6.2-5+deb8u3 on Debian jessie, the nginx packages before 1.4.6-1ubuntu3.6 on Ubuntu 14.04 LTS, before 1.10.0-0ubuntu0.16.04.3 on Ubuntu 16.04 LTS, and before 1.10.1-0ubuntu1.1 on Ubuntu 16.10, and the nginx ebuild before 1.10.2-r3 on Gentoo allow local users with access to the web server user account to gain root privileges via a symlink attack on the error log.

Read the notes from the security team

Status

Package Ubuntu Release Status
nginx 16.10 yakkety
Fixed 1.10.1-0ubuntu1.1
16.04 LTS xenial
Fixed 1.10.0-0ubuntu0.16.04.3
14.04 LTS trusty
Fixed 1.4.6-1ubuntu3.6
12.04 LTS precise
Not affected

Notes

mdeslaur

Ubuntu 12.04 LTS never got the update for CVE-2013-0337 which introduced this issue.

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references