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CUPS Subscription Incorrectly uses Guest Account DoS Vulnerability

Information

Severity

Severity

Critical

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

15 years ago

Modified

Modified

5 years ago

Summary

This host is running CUPS (Common UNIX Printing System) Service, which is prone to Denial of Service Vulnerability.

Insight

Insight

The flaw is due to error in web interface (cgi-bin/admin.c), which uses the guest username when a user is not logged on to the web server. This leads to CSRF attacks with the add/cancel RSS subscription functions.

Affected Software

Affected Software

CUPS Versions prior to 1.3.8 on Linux.

Solution

Solution

Upgrade to CUPS Version 1.3.8 or later.

Common Vulnerabilities and Exposures (CVE)