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.

Threat-Mapped Scoring

Score: 0.0

Priority: Unclassified

EPSS

Score: 0.00487
Percentile: 0.64433

CVSS Scoring

Mapped CWE(s)

• CWE-178 : Improper Handling of Case Sensitivity

Affected Products

• cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:*
• cpe:2.3:a:apple:cups:1.1.21:-:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:*

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