Description
Common Unix Printing System (CUPS) 1.1.14 through 1.1.17 allows remote attackers to add printers without authentication via a certain UDP packet, which can then be used to perform unauthorized activities such as stealing the local root certificate for the administration server via a "need authorization" page, as demonstrated by new-coke.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | cups | 1.1.18-1 | — |
| Debian 13 | cups | 1.1.18-1 | — |
| Debian 12 | cups | 1.1.18-1 | — |
| Debian 3.0 | cupsys | 1.1.14-4.3 | DSA-232 |
Advisories 1
- DSA-232 cupsys - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 20021219 iDEFENSE Security Advisory 12.19.02: Multiple Security Vulnerabilities in Common Unix Printing System (CUPS) mailing-list
- CLSA-2003:702 vendor-advisory
- DSA-232 vendor-advisory
- SuSE-SA:2003:002 vendor-advisory
- http://www.idefense.com/advisory/12.19.02.txt
- RHSA-2002:295 vendor-advisory
- 20021219 iDEFENSE Security Advisory 12.19.02: Multiple Security Vulnerabilities in Common Unix Printing System (CUPS) mailing-list
- MDKSA-2003:001 vendor-advisory
- 6436 vdb-entry
- cups-udp-add-printers(10908) vdb-entry