CVE-2013-2037: Input Validation
First published: Sat Jan 18 2014(Updated: )
httplib2 0.7.2, 0.8, and earlier, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/httplib2 | <0.10.1 | 0.10.1 |
| Ubuntu Linux | =10.04 | |
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =12.10 | |
| Ubuntu Linux | =13.04 | |
| httplib2 | <=0.7.2 | |
| httplib2 | =0.8 |
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Reference Links
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=706602
- http://code.google.com/p/httplib2/issues/detail?id=282
- http://seclists.org/oss-sec/2013/q2/257
- http://www.securityfocus.com/bid/52179
- http://www.ubuntu.com/usn/USN-1948-1
- https://bugs.launchpad.net/httplib2/+bug/1175272
- https://nvd.nist.gov/vuln/detail/CVE-2013-2037
- https://github.com/httplib2/httplib2/issues/5
- https://github.com/httplib2/httplib2/commit/40cbdcc8586f2292fa0e76a3e8c012f0cc9ed919
- https://web.archive.org/web/20200228052625/http://www.securityfocus.com/bid/52179
- https://github.com/advisories/GHSA-q48q-77qv-cf9p (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/httplib2/PYSEC-2014-81.yaml
Frequently Asked Questions
What is the severity of CVE-2013-2037?
CVE-2013-2037 has a moderate severity as it allows man-in-the-middle attackers to spoof SSL servers due to hostname verification issues.
How do I fix CVE-2013-2037?
You can fix CVE-2013-2037 by upgrading httplib2 to version 0.10.1 or later.
Which versions of httplib2 are affected by CVE-2013-2037?
CVE-2013-2037 affects httplib2 versions 0.7.2 and 0.8, as well as all earlier versions.
What type of vulnerability is CVE-2013-2037?
CVE-2013-2037 is a vulnerability related to improper hostname verification in SSL connections.
On which operating systems is CVE-2013-2037 relevant?
CVE-2013-2037 is relevant to Ubuntu Linux versions 10.04, 12.04, 12.10, and 13.04.
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- version/ubuntu linux/10.04
- version/ubuntu linux/12.04
- version/ubuntu linux/12.10
- version/ubuntu linux/13.04
- vendor/httplib2 project
- canonical/httplib2
- version/httplib2/0.7.2
- version/httplib2/0.8