nginx on Debian Log File Permissions Let Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1037104 |
SecurityTracker URL: http://securitytracker.com/id/1037104
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CVE Reference:
CVE-2016-1247
(Links to External Site)
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Updated: Nov 18 2016
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Original Entry Date: Oct 26 2016
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Impact:
Root access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Description:
A vulnerability was reported in nginx on Debian-based systems. A local user can obtain elevated privileges on the target system.
The nginx packages on Debian-based systems do not properly handle log file permissions in the '/var/log/nginx' directory. A local user with 'www-data' user privileges can obtain root privileges on the target system.
The original advisory is available at:
https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html
Dawid Golunski reported this vulnerability.
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Impact:
A local user with 'www-data' privileges can obtain root privileges on the target system.
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Solution:
Debian has issued a fix (1.6.2-5+deb8u3).
The Debian advisory is available at:
https://www.debian.org/security/2016/dsa-3701
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Vendor URL: nginx.org/ (Links to External Site)
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Cause:
Access control error
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Underlying OS: Linux (Debian), Linux (Ubuntu)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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[Original Message Not Available for Viewing]
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