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Status published
Medium
CVE-2016-5699
CRLF injection vulnerability in the HTTPConnection.putheader function in urllib2 and...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.splunk.com/view/SP-CAAAPUE
- https://hg.python.org/cpython/rev/1c45047c5102
- http://rhn.redhat.com/errata/RHSA-2016-1630.html
- http://rhn.redhat.com/errata/RHSA-2016-1627.html
- https://hg.python.org/cpython/rev/bf3e1c9b80e9
- http://rhn.redhat.com/errata/RHSA-2016-1629.html
- http://www.splunk.com/view/SP-CAAAPSV
- http://www.openwall.com/lists/oss-security/2016/06/16/2
- https://lists.debian.org/debian-lts-announce/2019/02/msg00011.html
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- https://hg.python.org/cpython/raw-file/v2.7.10/Misc/NEWS
- https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-4
- http://www.openwall.com/lists/oss-security/2016/06/15/12
- http://blog.blindspotsecurity.com/2016/06/advisory-http-header-injection-in.html
- http://www.openwall.com/lists/oss-security/2016/06/14/7
- http://www.securityfocus.com/bid/91226
- http://rhn.redhat.com/errata/RHSA-2016-1628.html
- http://rhn.redhat.com/errata/RHSA-2016-1626.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
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Affected Vendor
python
View all reports →Affected Software
python
Vulnerable Versions:
0, 3.0, 3.0.1, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.2.6, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5, 3.3.6, 3.4.0, 3.4.1, 3.4.2, 3.4.3
Timeline
Official Publish:
September 2nd, 2016
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.