cve-2023-3341
Vulnerability from cvelistv5
Published
2023-09-20 12:32
Modified
2024-08-02 06:55
Summary
A stack exhaustion flaw in control channel code may cause named to terminate unexpectedly
Impacted products
ISCBIND 9
Show details on NVD website


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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "BIND 9",
          "vendor": "ISC",
          "versions": [
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              "status": "affected",
              "version": "9.2.0",
              "versionType": "custom"
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              "status": "affected",
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              "version": "9.9.3-S1",
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      ],
      "credits": [
        {
          "lang": "en",
          "value": "ISC would like to thank Eric Sesterhenn from X41 D-Sec GmbH for bringing this vulnerability to our attention."
        }
      ],
      "datePublic": "2023-09-20T00:00:00Z",
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          "value": "The code that processes control channel messages sent to `named` calls certain functions recursively during packet parsing. Recursion depth is only limited by the maximum accepted packet size; depending on the environment, this may cause the packet-parsing code to run out of available stack memory, causing `named` to terminate unexpectedly. Since each incoming control channel message is fully parsed before its contents are authenticated, exploiting this flaw does not require the attacker to hold a valid RNDC key; only network access to the control channel\u0027s configured TCP port is necessary.\nThis issue affects BIND 9 versions 9.2.0 through 9.16.43, 9.18.0 through 9.18.18, 9.19.0 through 9.19.16, 9.9.3-S1 through 9.16.43-S1, and 9.18.0-S1 through 9.18.18-S1."
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              "value": "By sending a specially crafted message over the control channel, an attacker can cause the packet-parsing code to run out of available stack memory, causing `named` to terminate unexpectedly. However, the attack only works in environments where the stack size available to each process/thread is small enough; the exact threshold depends on multiple factors and is therefore impossible to specify universally."
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "value": "By default, `named` only allows control-channel connections over the loopback interface, making this attack impossible to carry out over the network. When enabling remote access to the control channel\u0027s configured TCP port, care should be taken to limit such access to trusted IP ranges on the network level, effectively preventing unauthorized parties from carrying out the attack described in this advisory."
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    "dateReserved": "2023-06-20T16:19:13.104Z",
    "dateUpdated": "2024-08-02T06:55:03.179Z",
    "state": "PUBLISHED"
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Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20231013-0003/\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5504\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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