CVE-2015-3217 (GCVE-0-2015-3217)

Vulnerability from cvelistv5 – Published: 2016-12-13 16:00 – Updated: 2024-08-06 05:39
VLAI?
Summary
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public ?
2015-06-03 00:00
Show details on NVD website
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/^(?:(?(1)\\\\\\\\.|([^\\\\\\\\\\\\\\\\W_])?)+)+$/.\"}],\"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:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"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:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"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:pcre:pcre2:10.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E64C5505-F782-443F-944C-AC17B8468406\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pcre:pcre:7.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"880F4520-1DD8-4423-B0E0-B3783F971167\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pcre:pcre:8.32:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4CE5EE9A-0FA0-4851-8AF3-D884B88B2E52\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pcre:pcre:8.33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5A61CB8C-6504-4602-91A5-C1595C12F6AB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pcre:pcre:8.34:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F6876A94-2609-41CE-975E-F1ADAE1BD782\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pcre:pcre:8.35:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9DA3CC4F-1797-46D8-8C3D-0605E71C5EAE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pcre:pcre:8.36:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"909CD13B-E836-4EBF-9433-55B4EFFE2DC4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pcre:pcre:8.37:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EF43E164-05C2-42A8-82CA-D1B643875C2B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:powerkvm:2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"161594FF-0DF8-43C8-B532-EBB20228023D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:powerkvm:3.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A0744845-0230-47E7-866A-0880832B31C8\"}]}]}],\"references\":[{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-1025.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-2750.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://vcs.pcre.org/pcre?view=revision\u0026revision=1566\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2015/06/03/7\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\"]},{\"url\":\"http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/75018\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2016:1132\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugs.exim.org/show_bug.cgi?id=1638\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1228283\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-1025.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-2750.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://vcs.pcre.org/pcre?view=revision\u0026revision=1566\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2015/06/03/7\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]},{\"url\":\"http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/75018\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2016:1132\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugs.exim.org/show_bug.cgi?id=1638\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1228283\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\"]}]}}"
  }
}


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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.