Improper Data Handling Affecting python2.7 package, versions <2.7.9-1
Snyk CVSS
Attack Complexity
High
Integrity
High
Threat Intelligence
EPSS
0.16% (52nd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-PYTHON27-306564
- published 7 Jun 2016
- disclosed 7 Jun 2016
How to fix?
Upgrade Debian:10
python2.7
to version 2.7.9-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python2.7
package and not the python2.7
package as distributed by Debian
.
See How to fix?
for Debian:10
relevant fixed versions and status.
The ssl.match_hostname function in CPython (aka Python) before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate.
References
- https://security-tracker.debian.org/tracker/CVE-2013-7440
- https://bugs.python.org/issue17997
- https://hg.python.org/cpython/rev/10d0edadbcdd
- http://seclists.org/oss-sec/2015/q2/483
- http://seclists.org/oss-sec/2015/q2/523
- https://bugzilla.redhat.com/show_bug.cgi?id=1224999
- https://access.redhat.com/errata/RHSA-2016:1166
- http://www.securityfocus.com/bid/74707