CVE-2020-26137: CRLF injection in urllib3
(updated )
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.
References
- bugs.python.org/issue39603
- github.com/advisories/GHSA-wqvq-5m8c-6g24
- github.com/pypa/advisory-database/tree/main/vulns/urllib3/PYSEC-2020-148.yaml
- github.com/urllib3/urllib3
- github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b
- github.com/urllib3/urllib3/pull/1800
- lists.debian.org/debian-lts-announce/2021/06/msg00015.html
- lists.debian.org/debian-lts-announce/2023/10/msg00012.html
- nvd.nist.gov/vuln/detail/CVE-2020-26137
- usn.ubuntu.com/4570-1
- www.oracle.com/security-alerts/cpujul2022.html
- www.oracle.com/security-alerts/cpuoct2021.html
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