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Vulnerability Details : 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.
Publish Date : 2016-09-02 Last Update Date : 2019-02-09
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 113

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2016:1626: python security update (Moderate) oval:com.redhat.rhsa:def:20161626 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-5699

# Product Type Vendor Product Version Update Edition Language
1 Application Python Python * * * * Version Details Vulnerabilities
2 Application Python Python 3.0 * * * Version Details Vulnerabilities
3 Application Python Python 3.0.1 * * * Version Details Vulnerabilities
4 Application Python Python 3.1.0 * * * Version Details Vulnerabilities
5 Application Python Python 3.1.1 * * * Version Details Vulnerabilities
6 Application Python Python 3.1.2 * * * Version Details Vulnerabilities
7 Application Python Python 3.1.3 * * * Version Details Vulnerabilities
8 Application Python Python 3.1.4 * * * Version Details Vulnerabilities
9 Application Python Python 3.1.5 * * * Version Details Vulnerabilities
10 Application Python Python 3.2.0 * * * Version Details Vulnerabilities
11 Application Python Python 3.2.1 * * * Version Details Vulnerabilities
12 Application Python Python 3.2.2 * * * Version Details Vulnerabilities
13 Application Python Python 3.2.3 * * * Version Details Vulnerabilities
14 Application Python Python 3.2.4 * * * Version Details Vulnerabilities
15 Application Python Python 3.2.5 * * * Version Details Vulnerabilities
16 Application Python Python 3.2.6 * * * Version Details Vulnerabilities
17 Application Python Python 3.3.0 * * * Version Details Vulnerabilities
18 Application Python Python 3.3.1 * * * Version Details Vulnerabilities
19 Application Python Python 3.3.2 * * * Version Details Vulnerabilities
20 Application Python Python 3.3.3 * * * Version Details Vulnerabilities
21 Application Python Python 3.3.4 * * * Version Details Vulnerabilities
22 Application Python Python 3.3.5 * * * Version Details Vulnerabilities
23 Application Python Python 3.3.6 * * * Version Details Vulnerabilities
24 Application Python Python 3.4.0 * * * Version Details Vulnerabilities
25 Application Python Python 3.4.1 * * * Version Details Vulnerabilities
26 Application Python Python 3.4.2 * * * Version Details Vulnerabilities
27 Application Python Python 3.4.3 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Python Python 27

- References For CVE-2016-5699
REDHAT RHSA-2016:1627
REDHAT RHSA-2016:1630
REDHAT RHSA-2016:1629
MLIST [oss-security] 20160616 Re: CVE request: Python HTTP header injection in urrlib2/urllib/httplib/http.client
MLIST [oss-security] 20160614 CVE request: Python HTTP header injection in urrlib2/urllib/httplib/http.client CONFIRM
BID 91226 Python 'urrlib2/urllib/httplib/http.client' HTTP Header Injection Vulnerability Release Date:2017-03-28
REDHAT RHSA-2016:1626
MLIST [debian-lts-announce] 20190207 [SECURITY] [DLA 1663-1] python3.4 security update CONFIRM
MLIST [oss-security] 20160615 Re: CVE request: Python HTTP header injection in urrlib2/urllib/httplib/http.client CONFIRM CONFIRM CONFIRM
SUSE openSUSE-SU-2020:0086

- Metasploit Modules Related To CVE-2016-5699

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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