CVE-2013-4207 (GCVE-0-2013-4207)

Vulnerability from cvelistv5 – Published: 2013-08-19 23:00 – Updated: 2024-08-06 16:38
VLAI?
Summary
Buffer overflow in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) via an invalid DSA signature that is not properly handled during computation of a modular inverse and triggers the overflow during a division by zero by the bignum functionality, a different vulnerability than CVE-2013-4206.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://www.openwall.com/lists/oss-security/2013/0… mailing-listx_refsource_MLIST
http://secunia.com/advisories/54533 third-party-advisoryx_refsource_SECUNIA
http://www.debian.org/security/2013/dsa-2736 vendor-advisoryx_refsource_DEBIAN
http://lists.opensuse.org/opensuse-updates/2013-0… vendor-advisoryx_refsource_SUSE
http://www.chiark.greenend.org.uk/~sgtatham/putty… x_refsource_CONFIRM
http://secunia.com/advisories/54379 third-party-advisoryx_refsource_SECUNIA
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  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.