CVE-2024-22049: httparty Multipart/Form-Data Request Tampering Vulnerability

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-01-04 · updated 2026-07-14
Weakness: CWE-472

Description

httparty before 0.21.0 is vulnerable to an assumed-immutable web parameter vulnerability. A remote and unauthenticated attacker can provide a crafted filename parameter during multipart/form-data uploads which could result in attacker controlled filenames being written.

Affected products

Debian Linux: 10.0, 11.0
Fedoraproject Fedora: 38, 39
jnunemaker httparty: before 0.21.0 — fixed in 0.21.0

How to fix

Upgrade to a fixed version: jnunemaker httparty 0.21.0. Check the vendor advisory for mitigations.

References

https://github.com/advisories/GHSA-5pq7-52mg-hr42
https://github.com/jnunemaker/httparty/blob/4416141d37fd71bdba4f37589ec265f55aa446ce/lib/httparty/request/body.rb#L43
https://github.com/jnunemaker/httparty/commit/cdb45a678c43e44570b4e73f84b1abeb5ec22b8e
https://github.com/jnunemaker/httparty/security/advisories/GHSA-5pq7-52mg-hr42
https://lists.debian.org/debian-lts-announce/2024/01/msg00011.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4LDGAVPR4KB72V4GGQCWODEAI72QZI3V/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IOWECZPJY6JZIA5FSBJR77KCRDXWDZDA/
https://vulncheck.com/advisories/vc-advisory-GHSA-5pq7-52mg-hr42
https://github.com/advisories/GHSA-5pq7-52mg-hr42
https://github.com/jnunemaker/httparty/blob/4416141d37fd71bdba4f37589ec265f55aa446ce/lib/httparty/request/body.rb#L43
https://github.com/jnunemaker/httparty/commit/cdb45a678c43e44570b4e73f84b1abeb5ec22b8e
https://github.com/jnunemaker/httparty/security/advisories/GHSA-5pq7-52mg-hr42

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