fkie_cve-2017-7186
Vulnerability from fkie_nvd
Published
2017-03-20 00:59
Modified
2025-04-20 01:37
Summary
libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.
References
cve@mitre.orghttp://www.securityfocus.com/bid/97030
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:2486
cve@mitre.orghttps://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/Patch, Third Party Advisory
cve@mitre.orghttps://bugs.exim.org/show_bug.cgi?id=2052Third Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/201710-09
cve@mitre.orghttps://security.gentoo.org/glsa/201710-25
cve@mitre.orghttps://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=datePatch
cve@mitre.orghttps://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=datePatch
cve@mitre.orghttps://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=datePatch
cve@mitre.orghttps://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=datePatch
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/97030
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2486
af854a3a-2127-422b-91ae-364da2661108https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.exim.org/show_bug.cgi?id=2052Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201710-09
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201710-25
af854a3a-2127-422b-91ae-364da2661108https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=datePatch
af854a3a-2127-422b-91ae-364da2661108https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=datePatch
af854a3a-2127-422b-91ae-364da2661108https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=datePatch
af854a3a-2127-422b-91ae-364da2661108https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=datePatch
Impacted products
Vendor Product Version
pcre pcre 8.40
pcre pcre2 10.23



{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:pcre:pcre:8.40:*:*:*:*:*:*:*",
                     matchCriteriaId: "6BFAB169-4364-4D71-B0A8-2831D0A4D5F5",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:pcre:pcre2:10.23:*:*:*:*:*:*:*",
                     matchCriteriaId: "B80479DA-16D6-47A1-88AF-55B5C821BDEC",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.",
      },
      {
         lang: "es",
         value: "Libpcre1 en PCRE 8.40 y libpcre2 en PCRE2 10.23 permiten a atacantes remotos provocar una denegación de servicio (infracción de segmentación para acceso de lectura y caída de aplicación) al activar una búsqueda de propiedad Unicode no válida.",
      },
   ],
   id: "CVE-2017-7186",
   lastModified: "2025-04-20T01:37:25.860",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: true,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 5,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV30: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 7.5,
               baseSeverity: "HIGH",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
               version: "3.0",
            },
            exploitabilityScore: 3.9,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2017-03-20T00:59:00.190",
   references: [
      {
         source: "cve@mitre.org",
         url: "http://www.securityfocus.com/bid/97030",
      },
      {
         source: "cve@mitre.org",
         url: "https://access.redhat.com/errata/RHSA-2018:2486",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://bugs.exim.org/show_bug.cgi?id=2052",
      },
      {
         source: "cve@mitre.org",
         url: "https://security.gentoo.org/glsa/201710-09",
      },
      {
         source: "cve@mitre.org",
         url: "https://security.gentoo.org/glsa/201710-25",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
         ],
         url: "https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
         ],
         url: "https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
         ],
         url: "https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
         ],
         url: "https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "http://www.securityfocus.com/bid/97030",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://access.redhat.com/errata/RHSA-2018:2486",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://bugs.exim.org/show_bug.cgi?id=2052",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://security.gentoo.org/glsa/201710-09",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://security.gentoo.org/glsa/201710-25",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Deferred",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-119",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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