CVE-2013-4238
Medium
Description
The ssl.match_hostname function in the SSL module in Python 2.6 through 3.4 does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Python
PublishedAug 18, 2013
First seenAug 18, 2013
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| python python | 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.6.8, 2.6.2150, 2.6.6150, 2.7.1, 2.7.2, 2.7.3, 2.7.1150, 2.7.2150, 3.0, 3.0.1, 3.1, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.2150, 3.2, 3.2.3, 3.2.2150, 3.3, 3.4 | — |
| canonical ubuntu_linux | 10.04 | — |
| opensuse opensuse | 11.4, 12.2, 12.3 | — |
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