CVE-2013-2099
Medium
Description
Algorithmic complexity vulnerability in the ssl.match_hostname function in Python 3.2.x, 3.3.x, and earlier, and unspecified versions of python-backports-ssl_match_hostname as used for older Python versions, allows remote attackers to cause a denial of service (CPU consumption) via multiple wildcard characters in the common name in a certificate.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Python
PublishedOct 9, 2013
First seenOct 9, 2013
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| python python | 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.3.0, 3.3.1, 3.3.2 | — |
| canonical ubuntu_linux | 12.04, 12.10, 13.04 | — |
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