The resolve_redirects function in sessions.py in requests 2.1.0 through 2.5.3 allows remote attackers to conduct session fixation attacks via a cookie without a host value in a redirect.
http://advisories.mageia.org/MGASA-2015-0120.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153594.html
http://www.mandriva.com/security/advisories?name=MDVSA-2015:133
http://www.openwall.com/lists/oss-security/2015/03/14/4
http://www.openwall.com/lists/oss-security/2015/03/15/1
http://www.ubuntu.com/usn/USN-2531-1
https://github.com/kennethreitz/requests/commit/3bd8afbff29e50b38f889b2f688785a669b9aafc
Source: MITRE
Published: 2015-03-18
Updated: 2021-03-18
Type: NVD-CWE-Other
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM