osv-2022-12
Vulnerability from osv_ossfuzz
Published
2022-01-06 00:02
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in print_mac
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43304

Crash type: Heap-buffer-overflow WRITE 4
Crash state:
print_mac
log_packet
dhcp_reply
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "dnsmasq",
        "purl": "pkg:generic/dnsmasq"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "d242cbffa4f20c9f7472f79b3a9e47008b6fe77c"
            },
            {
              "fixed": "e426c2d3bc182d790f83039b77a09d55230ca71f"
            }
          ],
          "repo": "git://thekelleys.org.uk/dnsmasq.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v2.87test5",
        "v2.87test6",
        "v2.87test7"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43304\n\n```\nCrash type: Heap-buffer-overflow WRITE 4\nCrash state:\nprint_mac\nlog_packet\ndhcp_reply\n```\n",
  "id": "OSV-2022-12",
  "modified": "2022-04-13T03:04:31.155422Z",
  "published": "2022-01-06T00:02:06.880603Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43304"
    }
  ],
  "schema_version": "1.2.0",
  "summary": "Heap-buffer-overflow in print_mac"
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.