Arch Linux Security Advisory ASA-201701-23
=========================================
Severity: High
Date    : 2017-01-15
CVE-ID  : CVE-2016-1247
Package : nginx
Type    : privilege escalation
Remote  : No
Link    : https://security.archlinux.org/AVG-138

Summary
======
The package nginx before version 1.10.2-3 is vulnerable to privilege
escalation.

Resolution
=========
Upgrade to 1.10.2-3.

# pacman -Syu "nginx>=1.10.2-3"

The problem has been fixed upstream but no release is available yet.

Workaround
=========
None.

Description
==========
A symlink attack vulnerability was discovered in nginx. An attacker who
could already run commands under the nginx user id could use this
access to append data to files owned by root, potentially elevating
their own privileges to root.

Impact
=====
A remote attacker who managed to compromise a web application is able
to obtain root privileges on the affected host.

References
=========
https://bugs.archlinux.org/task/52546
https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html
https://security.archlinux.org/CVE-2016-1247

ArchLinux: 201701-23: nginx: privilege escalation

January 15, 2017

Summary

A symlink attack vulnerability was discovered in nginx. An attacker who could already run commands under the nginx user id could use this access to append data to files owned by root, potentially elevating their own privileges to root.

Resolution

Upgrade to 1.10.2-3. # pacman -Syu "nginx>=1.10.2-3"
The problem has been fixed upstream but no release is available yet.

References

https://bugs.archlinux.org/task/52546 https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html https://security.archlinux.org/CVE-2016-1247

Severity
Package : nginx
Type : privilege escalation
Remote : No
Link : https://security.archlinux.org/AVG-138

Workaround

None.

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