CUPS before 1.1.21rc1 treats a Location directive in cupsd.conf as case sensitive, which allows attackers to bypass intended ACLs via a printer name containing uppercase or lowercase letters that are different from what is specified in the directive.
2004-12-31T05:00:00.000
2025-04-03T01:03:51.193
Deferred
CVSSv3.1: 9.8 (CRITICAL)
AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | apple | cups | < 1.1.21 | Yes |
Application | apple | cups | 1.1.21 | Yes |
Operating System | canonical | ubuntu_linux | 4.10 | Yes |