MEDIUM 5.9 RubyGems
Puma HTTP Request/Response Smuggling vulnerability
GHSA-c2f4-cvqm-65w2 · CVE-2024-21647
Published · Modified
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
References
- WEB https://github.com/puma/puma/security/advisories/GHSA-c2f4-cvqm-65w2
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-21647
- WEB https://github.com/puma/puma/commit/5fc43d73b6ff193325e657a24ed76dec79133e93
- WEB https://github.com/puma/puma/commit/60d5ee3734adc8cee85c3f0561af392448fe19b7
- WEB https://github.com/puma/puma/commit/bbb880ffb6debbfdea535b4b3eb2204d49ae151d
- PACKAGE https://github.com/puma/puma
- WEB https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2024-21647.yml
- WEB https://lists.debian.org/debian-lts-announce/2024/11/msg00004.html
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