cve-2022-38178
Vulnerability from cvelistv5
Published
2022-09-21 10:15
Modified
2024-09-17 02:58
Summary
Memory leaks in EdDSA DNSSEC verification code
Impacted products
ISCBIND9
Show details on NVD website


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            "name": "[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)",
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      "affected": [
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          "product": "BIND9",
          "vendor": "ISC",
          "versions": [
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              "version": "Open Source Branch 9.9 9.9.12 through versions up to and including 9.9.13"
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          "value": "By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources."
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      "exploits": [
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            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
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            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          "name": "[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)",
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          "lang": "en",
          "value": "Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.33, BIND 9.18.7, BIND 9.19.5, or for BIND Supported Preview Edition (a special feature preview branch of BIND provided to eligible ISC support customers): BIND 9.16.33-S1."
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      "source": {
        "discovery": "INTERNAL"
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      "title": "Memory leaks in EdDSA DNSSEC verification code",
      "workarounds": [
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          "lang": "en",
          "value": "Disable the following algorithms in your configuration using the disable-algorithms option: ED25519, ED448. Note that this causes zones signed with these algorithms to be treated as insecure."
        }
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    "assignerShortName": "isc",
    "cveId": "CVE-2022-38178",
    "datePublished": "2022-09-21T10:15:29.078642Z",
    "dateReserved": "2022-08-12T00:00:00",
    "dateUpdated": "2024-09-17T02:58:12.991Z",
    "state": "PUBLISHED"
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  }
}


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