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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2016-5699 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://blog.blindspotsecurity.com/2016/06/advisory-http-header-injection-in.html CVE, Inc., Red Hat Exploit  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html CVE, Inc., Red Hat
http://rhn.redhat.com/errata/RHSA-2016-1626.html CVE, Inc., Red Hat
http://rhn.redhat.com/errata/RHSA-2016-1627.html CVE, Inc., Red Hat
http://rhn.redhat.com/errata/RHSA-2016-1628.html CVE, Inc., Red Hat
http://rhn.redhat.com/errata/RHSA-2016-1629.html CVE, Inc., Red Hat
http://rhn.redhat.com/errata/RHSA-2016-1630.html CVE, Inc., Red Hat
http://www.openwall.com/lists/oss-security/2016/06/14/7 CVE, Inc., Red Hat Mailing List 
http://www.openwall.com/lists/oss-security/2016/06/15/12 CVE, Inc., Red Hat Mailing List 
http://www.openwall.com/lists/oss-security/2016/06/16/2 CVE, Inc., Red Hat Mailing List 
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html CVE, Inc., Red Hat
http://www.securityfocus.com/bid/91226 CVE, Inc., Red Hat
http://www.splunk.com/view/SP-CAAAPSV CVE, Inc., Red Hat
http://www.splunk.com/view/SP-CAAAPUE CVE, Inc., Red Hat
https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-4 CVE, Inc., Red Hat Release Notes 
https://hg.python.org/cpython/raw-file/v2.7.10/Misc/NEWS CVE, Inc., Red Hat Release Notes 
https://hg.python.org/cpython/rev/1c45047c5102 CVE, Inc., Red Hat Patch 
https://hg.python.org/cpython/rev/bf3e1c9b80e9 CVE, Inc., Red Hat Patch 
https://lists.debian.org/debian-lts-announce/2019/02/msg00011.html CVE, Inc., Red Hat

Weakness Enumeration

CWE-ID CWE Name Source
CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

13 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-5699
NVD Published Date:
09/02/2016
NVD Last Modified:
04/12/2025
Source:
Red Hat, Inc.