CVE-2020-26116

Description

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 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 HTTPConnection.request.

References

https://www.oracle.com/security-alerts/cpuoct2021.html

https://usn.ubuntu.com/4581-1/

https://security.netapp.com/advisory/ntap-20201023-0001/

https://security.gentoo.org/glsa/202101-18

https://python-security.readthedocs.io/vuln/http-header-injection-method.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QOX7DGMMWWL6POCRYGAUCISOLR2IG3XV/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OXI72HIHMXCQFWTULUXDG7VDA2BCYL4Y/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWMAVY4T4257AZHTF2RZJKNJNSJFY24O/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HDQ2THWU4GPV4Y5H5WW5PFMSWXL2CRFD/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BW4GCLQISJCOEGQNIMVUZDQMIY6RR6CC/

https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html

https://lists.debian.org/debian-lts-announce/2020/11/msg00032.html

https://bugs.python.org/issue39603

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00027.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3