GHSA-wqvq-5m8c-6g24
CRLF injection in urllib3
At a glance
- Published
- Updated
- CVE
- CVE-2020-26137
- Aliases
- PYSEC-2020-148
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Description
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.
Affected packages
| Package | Versions |
|---|---|
| PyPI · urllib3 | introduced 0, fixed 1.25.9 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-26137 ADVISORY
- https://github.com/urllib3/urllib3/pull/1800 WEB
- https://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b WEB
- https://bugs.python.org/issue39603 WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/urllib3/PYSEC-2020-148.yaml WEB
- https://github.com/urllib3/urllib3 PACKAGE
- https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html WEB
- https://lists.debian.org/debian-lts-announce/2023/10/msg00012.html WEB
- https://usn.ubuntu.com/4570-1 WEB
- https://www.oracle.com/security-alerts/cpujul2022.html WEB
- https://www.oracle.com/security-alerts/cpuoct2021.html WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |