CVE-2009-2936

The Command Line Interface (aka Server CLI or administration interface) in the master process in the reverse proxy server in Varnish before 2.1.0 does not require authentication for commands received through a TCP port, which allows remote attackers to (1) execute arbitrary code via a vcl.inline directive that provides a VCL configuration file containing inline C code; (2) change the ownership of the master process via param.set, stop, and start directives; (3) read the initial line of an arbitrary file via a vcl.load directive; or (4) conduct cross-site request forgery (CSRF) attacks that leverage a victim's location on a trusted network and improper input validation of directives. NOTE: the vendor disputes this report, saying that it is "fundamentally misguided and pointless.

Affected products

Varnish

Varnish.projects.linpro Varnish

= 0.9, 0.9.1, 1.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.1, 1.1.1, 1.1.2, 2.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6

Fix

Available

CVSS 2.0

7.5 HIGH

EPSS

63.8% (99th percentile)

Weakness

CWE-287

NVD status

Modified

Published

2010-04-05