GHSA-c2f4-cvqm-65w2MediumCVSS 5.9
Puma HTTP Request/Response Smuggling vulnerability
🔗 CVE IDs covered (1)
📋 Description
Impact
Prior to versions 6.4.2 and 5.6.8, puma exhibited dangerous behavior when parsing chunked transfer encoding bodies.
Fixed versions limit the size of chunk extensions. Without this limit, an attacker could cause unbounded resource (CPU, network bandwidth) consumption.
Patches
The vulnerability has been fixed in 6.4.2 and 5.6.8.
Workarounds
No known workarounds.
References
- HTTP Request Smuggling
- Open an issue in Puma
- See our security policy
🎯 Affected products2
- rubygems/puma:>= 6.0.0, < 6.4.2
- rubygems/puma:< 5.6.8
🔗 References (8)
- https://github.com/puma/puma/security/advisories/GHSA-c2f4-cvqm-65w2
- https://nvd.nist.gov/vuln/detail/CVE-2024-21647
- https://github.com/puma/puma/commit/5fc43d73b6ff193325e657a24ed76dec79133e93
- https://github.com/puma/puma/commit/60d5ee3734adc8cee85c3f0561af392448fe19b7
- https://github.com/puma/puma/commit/bbb880ffb6debbfdea535b4b3eb2204d49ae151d
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2024-21647.yml
- https://lists.debian.org/debian-lts-announce/2024/11/msg00004.html
- https://github.com/advisories/GHSA-c2f4-cvqm-65w2