cve-2018-15501
Vulnerability from cvelistv5
Published
2018-08-18 02:00
Modified
2024-08-05 09:54
Severity ?
Summary
In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol "ng" packet that lacks a '\0' byte to trigger an out-of-bounds read that leads to DoS.
References
cve@mitre.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406Exploit, Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://bugzilla.suse.com/show_bug.cgi?id=1104641Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649Patch, Third Party Advisory
cve@mitre.orghttps://github.com/libgit2/libgit2/releases/tag/v0.26.6Release Notes, Third Party Advisory
cve@mitre.orghttps://github.com/libgit2/libgit2/releases/tag/v0.27.4Release Notes, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/08/msg00024.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2022/03/msg00031.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.suse.com/show_bug.cgi?id=1104641Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/releases/tag/v0.26.6Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/releases/tag/v0.27.4Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/08/msg00024.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/03/msg00031.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.htmlThird Party Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-05T09:54:03.514Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://github.com/libgit2/libgit2/releases/tag/v0.27.4",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://bugzilla.suse.com/show_bug.cgi?id=1104641",
               },
               {
                  name: "[debian-lts-announce] 20180825 [SECURITY] [DLA 1477-1] libgit2 security update",
                  tags: [
                     "mailing-list",
                     "x_refsource_MLIST",
                     "x_transferred",
                  ],
                  url: "https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://github.com/libgit2/libgit2/releases/tag/v0.26.6",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649",
               },
               {
                  name: "[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update",
                  tags: [
                     "mailing-list",
                     "x_refsource_MLIST",
                     "x_transferred",
                  ],
                  url: "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "n/a",
               vendor: "n/a",
               versions: [
                  {
                     status: "affected",
                     version: "n/a",
                  },
               ],
            },
         ],
         datePublic: "2018-08-17T00:00:00",
         descriptions: [
            {
               lang: "en",
               value: "In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol \"ng\" packet that lacks a '\\0' byte to trigger an out-of-bounds read that leads to DoS.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "n/a",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2022-03-21T02:06:14",
            orgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
            shortName: "mitre",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://github.com/libgit2/libgit2/releases/tag/v0.27.4",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://bugzilla.suse.com/show_bug.cgi?id=1104641",
            },
            {
               name: "[debian-lts-announce] 20180825 [SECURITY] [DLA 1477-1] libgit2 security update",
               tags: [
                  "mailing-list",
                  "x_refsource_MLIST",
               ],
               url: "https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://github.com/libgit2/libgit2/releases/tag/v0.26.6",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649",
            },
            {
               name: "[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update",
               tags: [
                  "mailing-list",
                  "x_refsource_MLIST",
               ],
               url: "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2018-15501",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "n/a",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "n/a",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "n/a",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol \"ng\" packet that lacks a '\\0' byte to trigger an out-of-bounds read that leads to DoS.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "n/a",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406",
                     refsource: "MISC",
                     url: "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406",
                  },
                  {
                     name: "https://github.com/libgit2/libgit2/releases/tag/v0.27.4",
                     refsource: "MISC",
                     url: "https://github.com/libgit2/libgit2/releases/tag/v0.27.4",
                  },
                  {
                     name: "https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html",
                     refsource: "MISC",
                     url: "https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html",
                  },
                  {
                     name: "https://bugzilla.suse.com/show_bug.cgi?id=1104641",
                     refsource: "MISC",
                     url: "https://bugzilla.suse.com/show_bug.cgi?id=1104641",
                  },
                  {
                     name: "[debian-lts-announce] 20180825 [SECURITY] [DLA 1477-1] libgit2 security update",
                     refsource: "MLIST",
                     url: "https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html",
                  },
                  {
                     name: "https://github.com/libgit2/libgit2/releases/tag/v0.26.6",
                     refsource: "MISC",
                     url: "https://github.com/libgit2/libgit2/releases/tag/v0.26.6",
                  },
                  {
                     name: "https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649",
                     refsource: "MISC",
                     url: "https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649",
                  },
                  {
                     name: "[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update",
                     refsource: "MLIST",
                     url: "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
      assignerShortName: "mitre",
      cveId: "CVE-2018-15501",
      datePublished: "2018-08-18T02:00:00",
      dateReserved: "2018-08-17T00:00:00",
      dateUpdated: "2024-08-05T09:54:03.514Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2018-15501\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2018-08-18T02:29:01.713\",\"lastModified\":\"2024-11-21T03:50:56.910\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol \\\"ng\\\" packet that lacks a '\\\\0' byte to trigger an out-of-bounds read that leads to DoS.\"},{\"lang\":\"es\",\"value\":\"En ng_pkt en transports/smart_pkt.c en libgit2 antes de 0.26.6 y 0.27.x antes de 0.27.4, un atacante remoto puede enviar un paquete \\\"ng\\\" de protocolo inteligente manipulado que le falte un byte \\\"\\\\0\\\" para activar una lectura fuera de límites que conduzca a una denegación de servicio (DoS).\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.26.6\",\"matchCriteriaId\":\"89FF27DE-63AA-49F8-942C-D55095953C5E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.27.0\",\"versionEndExcluding\":\"0.27.4\",\"matchCriteriaId\":\"5A27D980-CE50-4F8E-ACF8-F87D4A924FF5\"}]}]}],\"references\":[{\"url\":\"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.suse.com/show_bug.cgi?id=1104641\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/libgit2/libgit2/releases/tag/v0.26.6\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/libgit2/libgit2/releases/tag/v0.27.4\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.suse.com/show_bug.cgi?id=1104641\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/libgit2/libgit2/releases/tag/v0.26.6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/libgit2/libgit2/releases/tag/v0.27.4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.