CVE-2020-26116 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00027.html https://bugs.python.org/issue39603 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BW4GCLQISJCOEGQNIMVUZDQMIY6RR6CC/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HDQ2THWU4GPV4Y5H5WW5PFMSWXL2CRFD/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWMAVY4T4257AZHTF2RZJKNJNSJFY24O/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OXI72HIHMXCQFWTULUXDG7VDA2BCYL4Y/ https://python-security.readthedocs.io/vuln/http-header-injection-method.html https://security.netapp.com/advisory/ntap-20201023-0001/ https://usn.ubuntu.com/4581-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

7.2