CVE-2013-4206 (GCVE-0-2013-4206)

Vulnerability from cvelistv5 – Published: 2013-08-19 23:00 – Updated: 2024-08-06 16:38
VLAI?
Summary
Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) and possibly trigger memory corruption or code execution via a crafted DSA signature, which is not properly handled when performing certain bit-shifting operations during modular multiplication.
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.chiark.greenend.org.uk/~sgtatham/putty… x_refsource_CONFIRM
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://secunia.com/advisories/54379 third-party-advisoryx_refsource_SECUNIA
http://svn.tartarus.org/sgt/putty/sshbn.c?sortby=… x_refsource_CONFIRM
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manejada adecuadamente cuando se realizan determinadas operaciones de bit-shifting durante una multiplicaci\u00f3n modular.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.45:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5D5EB349-B1DF-4CF5-9468-37DC66A929C3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.46:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CF223411-6FA4-43EC-8668-7DB4A98E4DEA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.47:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D0E87C56-DFD9-45D9-9169-3BB94F647F15\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.48:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1283B462-042C-4857-A700-4179AAE20E2F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.49:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2791C9DD-F55D-4683-85AF-B6814C34EFBF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.50:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6D7582C1-AA8E-41E4-9D69-9A18A5B76CB0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.51:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FC082AE0-C49D-4944-BE76-B751DAD1EF84\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.52:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"23BAD8E4-2D3A-45EE-A25D-77BD698119BB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.53b:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8F7716EC-E0F9-4E50-8351-35D2F248B380\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.54:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"46C2BD4D-9817-459E-ACF4-9C95233200A2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.55:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"22EE5957-76F3-4B20-ADE7-E72D1300A3F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.56:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"826FA7E4-7F48-4D1C-856C-A965527B0950\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.57:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA54ADC7-2A36-40DA-8219-DAA31509E534\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.58:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1A14381E-91A1-4902-B409-1281CFA2D561\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.59:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B33EB10-535F-42F2-8F78-CE128A89447C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.60:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"218F9EAF-C260-43EC-99C4-EFACA9A1DA8D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:0.61:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5966235B-2F1A-45C5-AF65-99FFFE4725DF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:putty:putty:2010-06-01:r8967:*:*:development_snapshot:*:*:*\",\"matchCriteriaId\":\"820B9CC0-2A18-4357-B01F-565A0E35E275\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:simon_tatham:putty:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"0.62\",\"matchCriteriaId\":\"3A8E4288-5CEA-42F3-BF6A-FE7D78C907C0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:simon_tatham:putty:0.53:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"129133D1-B374-4743-9F52-27D0A9558D17\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/54379\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor 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  }
}


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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.