{
   "document": {
      "aggregate_severity": {
         "text": "high"
      },
      "category": "csaf_security_advisory",
      "csaf_version": "2.0",
      "distribution": {
         "tlp": {
            "label": "WHITE",
            "url": "https://www.first.org/tlp/"
         }
      },
      "lang": "en",
      "notes": [
         {
            "category": "description",
            "text": "Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a '\\\\N{}' escape and the case-insensitive modifier.",
            "title": "Vulnerability Description"
         }
      ],
      "publisher": {
         "category": "other",
         "contact_details": "gdt@cpan.org",
         "name": "giterlizzi",
         "namespace": "https://github.com/giterlizzi/"
      },
      "references": [
         {
            "category": "self",
            "summary": "CPANSA-perl-2017-12837 JSON",
            "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2017/cpansa-perl-2017-12837.json"
         },
         {
            "category": "external",
            "summary": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1",
            "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1"
         },
         {
            "category": "external",
            "summary": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1",
            "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1"
         },
         {
            "category": "external",
            "summary": "https://perl5.git.perl.org/perl.git/commitdiff/96c83ed78aeea1a0496dd2b2d935869a822dc8a5",
            "url": "https://perl5.git.perl.org/perl.git/commitdiff/96c83ed78aeea1a0496dd2b2d935869a822dc8a5"
         },
         {
            "category": "external",
            "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=1492091",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1492091"
         },
         {
            "category": "external",
            "summary": "http://www.securityfocus.com/bid/100860",
            "url": "http://www.securityfocus.com/bid/100860"
         },
         {
            "category": "external",
            "summary": "https://rt.perl.org/Public/Bug/Display.html?id=131582",
            "url": "https://rt.perl.org/Public/Bug/Display.html?id=131582"
         },
         {
            "category": "external",
            "summary": "http://www.debian.org/security/2017/dsa-3982",
            "url": "http://www.debian.org/security/2017/dsa-3982"
         },
         {
            "category": "external",
            "summary": "https://security.netapp.com/advisory/ntap-20180426-0001/",
            "url": "https://security.netapp.com/advisory/ntap-20180426-0001/"
         },
         {
            "category": "external",
            "summary": "https://www.oracle.com/security-alerts/cpujul2020.html",
            "url": "https://www.oracle.com/security-alerts/cpujul2020.html"
         },
         {
            "category": "external",
            "summary": "https://github.com/Perl/perl5/issues/16021",
            "url": "https://github.com/Perl/perl5/issues/16021"
         },
         {
            "category": "external",
            "summary": "https://perldoc.perl.org/perl5243delta",
            "url": "https://perldoc.perl.org/perl5243delta"
         },
         {
            "category": "external",
            "summary": "https://perldoc.perl.org/perl5261delta",
            "url": "https://perldoc.perl.org/perl5261delta"
         },
         {
            "category": "external",
            "summary": "https://perldoc.perl.org/perl5280delta",
            "url": "https://perldoc.perl.org/perl5280delta"
         },
         {
            "category": "external",
            "summary": "CVE-2017-12837 (NVD)",
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12837"
         }
      ],
      "title": "perl vulnerability",
      "tracking": {
         "current_release_date": "2017-09-19T00:00:00",
         "generator": {
            "engine": {
               "name": "CSAF Perl Toolkit",
               "version": "0.26"
            }
         },
         "id": "CPANSA-perl-2017-12837",
         "initial_release_date": "2017-09-19T00:00:00",
         "revision_history": [
            {
               "date": "2017-09-19T00:00:00",
               "number": "1",
               "summary": "First release"
            }
         ],
         "status": "final",
         "version": "1"
      }
   },
   "product_tree": {
      "branches": [
         {
            "branches": [
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>=5.18.0|<5.24.3",
                  "product": {
                     "name": "perl greater than or equal 5.18.0 and less than 5.24.3",
                     "product_id": "CSAFPID-0001"
                  }
               },
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/==5.26.0",
                  "product": {
                     "name": "perl equal =5.26.0",
                     "product_id": "CSAFPID-0002"
                  }
               },
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>=5.26.1",
                  "product": {
                     "name": "perl greater than or equal 5.26.1",
                     "product_id": "CSAFPID-0003"
                  }
               }
            ],
            "category": "product_name",
            "name": "perl"
         }
      ]
   },
   "vulnerabilities": [
      {
         "cve": "CVE-2017-12837",
         "cwe": {
            "id": "CWE-119",
            "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
         },
         "notes": [
            {
               "category": "description",
               "text": "Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a '\\N{}' escape and the case-insensitive modifier.",
               "title": "Vulnerability Description"
            }
         ],
         "product_status": {
            "fixed": [
               "CSAFPID-0003"
            ],
            "known_affected": [
               "CSAFPID-0001",
               "CSAFPID-0002"
            ]
         },
         "scores": [
            {
               "cvss_v2": {
                  "baseScore": 5,
                  "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                  "version": "2.0"
               },
               "cvss_v3": {
                  "baseScore": 7.5,
                  "baseSeverity": "HIGH",
                  "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "version": "3.0"
               },
               "products": [
                  "CSAFPID-0001",
                  "CSAFPID-0002"
               ]
            }
         ]
      }
   ]
}