Permissions, Privileges, and Access Controls in nginx - CVE-2013-0337

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The default configuration of nginx, possibly 1.3.13 and earlier, uses world-readable permissions for the (1) access.log and (2) error.log files, which allows local users to obtain sensitive information by reading the files. AV:N per http://www.gentoo.org/security/en/glsa/glsa-201310-04.xml and per http://secunia.com/advisories/55181

How to mitigate CVE-2013-0337

Sources

• http://secunia.com/advisories/55181
• http://security.gentoo.org/glsa/glsa-201310-04.xml
• http://www.openwall.com/lists/oss-security/2013/02/21/15
• http://www.openwall.com/lists/oss-security/2013/02/22/1
• http://www.openwall.com/lists/oss-security/2013/02/24/1