CVE-2023-40175
Puma HTTP Request/Response Smuggling vulnerability
Impact
### Impact Prior to version 6.3.1, puma exhibited incorrect behavior when parsing chunked transfer encoding bodies and zero-length Content-Length headers in a way that allowed HTTP request smuggling. The following vulnerabilities are addressed by this advisory: * Incorrect parsing of trailing fields in chunked transfer encoding bodies * Parsing of blank/zero-length Content-Length headers ### Patches The vulnerability has been fixed in 6.3.1 and 5.6.7. ### Workarounds No known workarounds. ### References [HTTP Request Smuggling](https://portswigger.net/web-security/request-smuggling) ### For more information If you have any questions or comments about this advisory: Open an issue in [Puma](https://github.com/puma/puma) See our [security policy](https://github.com/puma/puma/security/policy)
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rubygems | puma | < 5.6.7 | 5.6.7 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Puma | Puma | before 5.6.7 from 6.0.0 before 6.3.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/puma/puma/commit/690155e7d644b80eeef0a6094f9826ee41f1080a
- https://github.com/puma/puma/security/advisories/GHSA-68xg-gqqm-vgj8
- https://github.com/advisories/GHSA-68xg-gqqm-vgj8
- https://github.com/puma/puma/commit/ed0f2f94b56982c687452504b95d5f1fbbe3eed1
- https://github.com/puma/puma/releases/tag/v5.6.7
- https://github.com/puma/puma/releases/tag/v6.3.1
- https://nvd.nist.gov/vuln/detail/CVE-2023-40175
- https://github.com/puma/puma/commit/7405a219801dcebc0ad6e0aa108d4319ca23f662
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2023-40175.yml