CRLF injection in urllib3
urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of `putrequest()`. NOTE: this is similar to CVE-2020-26116.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-26137US | medium6.5 | — | ||
urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of put… | ||||
02
references
External citations — patches, advisories, analysis.
- https://bugs.python.org/issue39603WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/urllib3/PYSEC-2020-148.yamlWEB
- https://github.com/urllib3/urllib3PACKAGE
- https://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436bWEB
- https://github.com/urllib3/urllib3/pull/1800WEB
- https://lists.debian.org/debian-lts-announce/2021/06/msg00015.htmlWEB
- https://lists.debian.org/debian-lts-announce/2023/10/msg00012.htmlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2020-26137ADVISORY
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