CVE-2013-6444 PyWBEM TOCTOU vulnerability in certificate validation
Man-in-the-middle attackers can spoof SSL servers due to missing hostname verification in PyWBEM, bypassing certificate validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-6444?
CVE-2013-6444 is a medium-severity vulnerability in n/a, published on 5 May 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PyWBEM 0.7 and earlier 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.
Weakness: CWE-20
Which versions are affected by CVE-2013-6444?
3 open source packages ship an affected version, including pywbem. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pywbem PyPI | All versions | 0.8.1 |
pywbem PyPI | All versions | 0.8.1 |
pywbem PyPI | All versions | 0.8.1 |
Products include Pywbem Project Pywbem.
How do I fix CVE-2013-6444?
Upgrade pywbem to 0.8.1 or later.
Is CVE-2013-6444 being exploited?
There is no known exploitation of CVE-2013-6444 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as AZL-44784, GHSA-gh2c-6m38-c78j, PYSEC-2014-94, UBUNTU-CVE-2013-6444.