CVEvulnerability

CVE-2016-5699

6.1 MEDIUM Published 2016-09-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-09-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
6.1 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
CWE-113

Description

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.

Affected configurations

• python python (<= 2.7.9) • python python 3.0 • python python 3.0.1 • python python 3.1.0 • python python 3.1.1 • python python 3.1.2 • python python 3.1.3 • python python 3.1.4 • python python 3.1.5 • python python 3.2.0 • python python 3.2.1 • python python 3.2.2 • python python 3.2.3 • python python 3.2.4 • python python 3.2.5 • python python 3.2.6 • python python 3.3.0 • python python 3.3.1 • python python 3.3.2 • python python 3.3.3 • python python 3.3.4 • python python 3.3.5 • python python 3.3.6 • python python 3.4.0 • python python 3.4.1 • python python 3.4.2 • python python 3.4.3

Related

Weakness · CWE (1)

  • CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers weakness

References