ghsa-37q6-vw96-q6q8
Vulnerability from github
Published
2022-05-24 17:36
Modified
2022-05-24 17:36
Details
An issue was discovered in Contiki through 3.0 and Contiki-NG through 4.5. The code for parsing Type A domain name answers in ip64-dns64.c doesn't verify whether the address in the answer's length is sane. Therefore, when copying an address of an arbitrary length, a buffer overflow can occur. This bug can be exploited whenever NAT64 is enabled.
{ "affected": [], "aliases": [ "CVE-2020-24336" ], "database_specific": { "cwe_ids": [ "CWE-120" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2020-12-11T23:15:00Z", "severity": "CRITICAL" }, "details": "An issue was discovered in Contiki through 3.0 and Contiki-NG through 4.5. The code for parsing Type A domain name answers in ip64-dns64.c doesn\u0027t verify whether the address in the answer\u0027s length is sane. Therefore, when copying an address of an arbitrary length, a buffer overflow can occur. This bug can be exploited whenever NAT64 is enabled.", "id": "GHSA-37q6-vw96-q6q8", "modified": "2022-05-24T17:36:11Z", "published": "2022-05-24T17:36:11Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24336" }, { "type": "WEB", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01" }, { "type": "WEB", "url": "https://www.kb.cert.org/vuls/id/815128" } ], "schema_version": "1.4.0", "severity": [] }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.