CVE-2013-2099 (GCVE-0-2013-2099)

Vulnerability from cvelistv5 – Published: 2013-10-09 14:44 – Updated: 2024-08-06 15:27
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://bugzilla.redhat.com/show_bug.cgi?id=963260 x_refsource_MISC
http://www.ubuntu.com/usn/USN-1984-1 vendor-advisoryx_refsource_UBUNTU
http://secunia.com/advisories/55116 third-party-advisoryx_refsource_SECUNIA
https://access.redhat.com/errata/RHSA-2016:1166 vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-1985-1 vendor-advisoryx_refsource_UBUNTU
http://bugs.python.org/issue17980 x_refsource_CONFIRM
http://secunia.com/advisories/55107 third-party-advisoryx_refsource_SECUNIA
http://rhn.redhat.com/errata/RHSA-2014-1690.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-1983-1 vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2013/05/16/6 mailing-listx_refsource_MLIST
Date Public ?
2013-05-15 00:00
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.