CVE-2016-5699

CRLF injection vulnerability in the HTTPConnection.putheader function in urllib2 and urllib in CPython (aka Python) before 2.7.10 and 3.x before 3.4.4 allows remote attackers to inject arbitrary HTTP headers via CRLF sequences in a URL.

CVSS v3.0

6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

9.89% chance of exploitation in the next 30 days, 95th percentile

Published

2016-09-02

Updated

2024-08-06

Proof-of-concept exploits (2)

• bunseokbot/CVE-2016-5699-poc4★ · 2016-06-28
• shajinzheng/cve-2016-5699-jinzheng-sha0★ · 2016-08-27

References

• CVE Record
• NVD entry

Related

• CVE-2016-5696
• CVE-2016-5715
• CVE-2016-5682
• CVE-2016-5725
• CVE-2016-5680
• CVE-2016-5734