gsd-2020-28928
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).
Aliases
Aliases
CVE-2020-28928


To clipboard 

{
   GSD: {
      alias: "CVE-2020-28928",
      description: "In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).",
      id: "GSD-2020-28928",
      references: [
         "https://security.archlinux.org/CVE-2020-28928",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2020-28928",
         ],
         details: "In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).",
         id: "GSD-2020-28928",
         modified: "2023-12-13T01:22:01.787461Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
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            STATE: "PUBLIC",
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         affects: {
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               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "n/a",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "n/a",
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                           value: "CWE-787",
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         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "LOCAL",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 2.1,
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  vectorString: "AV:L/AC:L/Au:N/C:N/I:N/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 3.9,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "LOW",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 5.5,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "LOW",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 1.8,
               impactScore: 3.6,
            },
         },
         lastModifiedDate: "2021-12-02T21:15Z",
         publishedDate: "2020-11-24T18:15Z",
      },
   },
}


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