CVE-2016-2850 (GCVE-0-2016-2850)

Vulnerability from cvelistv5 – Published: 2016-05-13 14:00 – Updated: 2024-08-05 23:32
VLAI
Summary
Botan 1.11.x before 1.11.29 does not enforce TLS policy for (1) signature algorithms and (2) ECC curves, which allows remote attackers to conduct downgrade attacks via unspecified vectors.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://marc.info/?l=botan-devel&m=145852488622892&w=2 mailing-listx_refsource_MLIST
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/201701-23 vendor-advisoryx_refsource_GENTOO
http://botan.randombit.net/security.html x_refsource_CONFIRM
Date Public
2016-03-17 00:00
Show details on NVD website
To clipboard 

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    },
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especificados.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":true,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C729D5D1-ED95-443A-9F53-5D7C2FD9B80C\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C098FACD-8EDB-4A97-BA9F-39472F400F6A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA1B306E-BCD0-4839-9D20-921BA5BEB1B3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C30E1A6A-5944-4D82-8EFB-67639E9BE246\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"92649934-B0EB-4D27-AA54-760E7832E70B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5F80D802-D5AD-4A41-B5A3-23B7AE923053\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5F809C01-0A6E-4EDD-B9C1-6B1B41368B5A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7C8582CD-E9CE-4A56-83D2-33CFBC4BBE2C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"46EAF817-CCF2-40C3-A556-BA17895165DA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"92649146-62FC-4984-A726-18C9468240F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B4928BBB-AD18-4EA5-98E4-9CB3CC75376E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"229A6D01-3882-4F3F-92F5-517F79644480\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.11:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B0699917-881B-4BA3-9D88-0ED47954DEA7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.12:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0BCDCE72-44D7-442C-AF2A-EDC9E39126D4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.13:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D55DBFAF-48C1-412C-B56D-EBD7EC82588A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.14:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2EBAC97E-B04F-48EA-87C8-62FD14B0E759\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.15:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4A00B6F0-7DCC-46D4-818A-F17BFAF18E9A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.16:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"61529353-E862-44AD-84EC-778B65C88112\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.17:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B683D891-9A15-40F5-82B0-5B16359330F3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.18:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F3EE4374-31D9-4E68-A700-AFF590F37283\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.19:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F536ECD-C3D9-4997-A936-7E415A670E69\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.20:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CF026C4E-FEAE-47A1-A3CA-330DBE6250ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.21:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BA36F817-A50B-40E6-811B-B331BA2229A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:botan_project:botan:1.11.22:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80F7E018-B544-4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Advisory\"]},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183669.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://marc.info/?l=botan-devel\u0026m=145852488622892\u0026w=2\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201701-23\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://botan.randombit.net/security.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183669.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://marc.info/?l=botan-devel\u0026m=145852488622892\u0026w=2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201701-23\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.