SB2013102702 - Permissions, Privileges, and Access Controls in nginx

Description

This security bulletin contains information about 1 vulnerability.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2013-0337)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

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

Remediation

Install update from vendor's website.

References

• 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