fkie_cve-2021-3826
Vulnerability from fkie_nvd
Published
2022-09-01 21:15
Modified
2024-11-21 06:22
Summary
Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.
References
secalert@redhat.comhttps://gcc.gnu.org/git/?p=gcc.git%3Ba=commit%3Bh=5481040197402be6dfee265bd2ff5a4c88e30505Broken Link
secalert@redhat.comhttps://gcc.gnu.org/pipermail/gcc-patches/2021-September/579987Mailing List, Patch, Vendor Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4MYLS3VR4OPL5ECRWOR4ZHMGXUSCJFZY/Mailing List, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6AKZ2DTS3ATVN5PANNVLKLE5OP4OF25Q/Mailing List, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7MTEHT3G6YKJ7F7MSGWYSI4UM3XBAYXZ/Mailing List, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AXFC74WRZ2Q7F2TSUKPYNIL7ZPBWYI6L/Mailing List, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://gcc.gnu.org/git/?p=gcc.git%3Ba=commit%3Bh=5481040197402be6dfee265bd2ff5a4c88e30505Broken Link
af854a3a-2127-422b-91ae-364da2661108https://gcc.gnu.org/pipermail/gcc-patches/2021-September/579987Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4MYLS3VR4OPL5ECRWOR4ZHMGXUSCJFZY/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6AKZ2DTS3ATVN5PANNVLKLE5OP4OF25Q/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7MTEHT3G6YKJ7F7MSGWYSI4UM3XBAYXZ/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AXFC74WRZ2Q7F2TSUKPYNIL7ZPBWYI6L/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
gnu gcc 11.2
fedoraproject fedora 35
fedoraproject fedora 36
fedoraproject fedora 37



{
   configurations: [
      {
         nodes: [
            {
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                     matchCriteriaId: "ED8CAF0C-9804-4C44-9905-E123C87B9952",
                     vulnerable: true,
                  },
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               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
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                     matchCriteriaId: "80E516C0-98A4-4ADE-B69F-66A772E2BAAA",
                     vulnerable: true,
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                     vulnerable: true,
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               negate: false,
               operator: "OR",
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   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.",
      },
      {
         lang: "es",
         value: "Un desbordamiento del búfer de la pila en la función dlang_lname en el archivo d-demangle.c en libiberty permite a atacantes causar potencialmente una denegación de servicio (fallo de segmentación y caída) por medio de un símbolo mangled diseñado",
      },
   ],
   id: "CVE-2021-3826",
   lastModified: "2024-11-21T06:22:32.990",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 6.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 2.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2022-09-01T21:15:08.843",
   references: [
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      },
   ],
   sourceIdentifier: "secalert@redhat.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-119",
            },
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         source: "secalert@redhat.com",
         type: "Primary",
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         description: [
            {
               lang: "en",
               value: "CWE-787",
            },
         ],
         source: "nvd@nist.gov",
         type: "Secondary",
      },
   ],
}


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