gsd-2020-35679
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.
Aliases
Aliases
CVE-2020-35679


To clipboard 

{
   GSD: {
      alias: "CVE-2020-35679",
      description: "smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a \"very significant\" memory leak via messages to an instance that performs many regex lookups.",
      id: "GSD-2020-35679",
      references: [
         "https://www.suse.com/security/cve/CVE-2020-35679.html",
         "https://security.archlinux.org/CVE-2020-35679",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2020-35679",
         ],
         details: "smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a \"very significant\" memory leak via messages to an instance that performs many regex lookups.",
         id: "GSD-2020-35679",
         modified: "2023-12-13T01:22:01.035516Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "cve@mitre.org",
            ID: "CVE-2020-35679",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "n/a",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "n/a",
                                    },
                                 ],
                              },
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                     },
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         references: {
            reference_data: [
               {
                  name: "https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/",
                  refsource: "MISC",
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               {
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                  url: "https://www.mail-archive.com/misc@opensmtpd.org/msg05188.html",
               },
               {
                  name: "https://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043",
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                  url: "https://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043",
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               {
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                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/",
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               },
               {
                  name: "GLSA-202105-12",
                  refsource: "GENTOO",
                  url: "https://security.gentoo.org/glsa/202105-12",
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            ],
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "6.8.0",
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:opensmtpd:opensmtpd:6.8.0:-:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:opensmtpd:opensmtpd:6.8.0:patch1-rc1:*:*:*:*:*:*",
                        cpe_name: [],
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                     },
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                  operator: "OR",
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                  cpe_match: [
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            description: {
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            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-401",
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            references: {
               reference_data: [
                  {
                     name: "https://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043",
                     refsource: "MISC",
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                     url: "https://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043",
                  },
                  {
                     name: "https://www.mail-archive.com/misc@opensmtpd.org/msg05188.html",
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                     url: "https://www.mail-archive.com/misc@opensmtpd.org/msg05188.html",
                  },
                  {
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                     tags: [
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                  },
                  {
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                     tags: [
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                     url: "https://security.gentoo.org/glsa/202105-12",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  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,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 3.9,
               impactScore: 3.6,
            },
         },
         lastModifiedDate: "2022-04-26T16:13Z",
         publishedDate: "2020-12-24T16:15Z",
      },
   },
}


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