{
  "cveId": "CVE-2022-3488",
  "url": "https://patchblox.com/security/cve/CVE-2022-3488",
  "summary": "CVE-2022-3488 is fixed in 29 products on 1 platform, first by ALAS2023-2023-161, released April 13, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "bind: Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities:\nCVE-2022-3924:\n\tThis issu...",
  "description": "Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities:\nCVE-2022-3924:\n\tThis issue can affect BIND 9 resolvers with \u0060stale-answer-enable yes;\u0060 that also make use of the option \u0060stale-answer-client-timeout\u0060, configured with a value greater than zero. If the resolver receives many queries that require recursion, there will be a corresponding increase in the number of clients that are waiting for recursion to complete. If there are sufficient clients already waiting when a new client query is received so that it is necessary to SERVFAIL the longest waiting client (see BIND 9 ARM \u0060recursive-clients\u0060 limit and soft quota), then it is possible for a race to occur between providing a stale answer to this older client and sending an early timeout SERVFAIL, which may cause an assertion failure. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1.\n\nCVE-2022-38178:\n\tBy 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.\n\nCVE-2022-38177:\n\tBy spoofing the target resolver with responses that have a malformed ECDSA 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.\n\nCVE-2022-3736:\n\tA flaw was found in Bind, where a resolver crash is possible. When stale cache and stale answers are enabled, the option stale-answer-client-timeout is set to a positive integer, and the resolver receives an RRSIG query.\n\nCVE-2022-3488:\n\tProcessing of repeated responses to the same query, where both responses contain ECS pseudo-options, but where the first is broken in some way, can cause BIND to exit with an assertion failure. \u0027Broken\u0027 in this context is anything that would cause the resolver to reject the query response, such as a mismatch between query and answer name. This issue affects BIND 9 versions 9.11.4-S1 through 9.11.37-S1 and 9.16.8-S1 through 9.16.36-S1.\n\nCVE-2022-3094:\n\tSending a flood of dynamic DNS updates may cause \u0060named\u0060 to allocate large amounts of memory. This, in turn, may cause \u0060named\u0060 to exit due to a lack of free memory. We are not aware of any cases where this has been exploited. Memory is allocated prior to the checking of access permissions (ACLs) and is retained during the processing of a dynamic update from a client whose access credentials are accepted. Memory allocated to clients that are not permitted to send updates is released immediately upon rejection. The scope of this vulnerability is limited therefore to trusted clients who are permitted to make dynamic zone changes. If a dynamic update is REFUSED, memory will be released again very quickly. Therefore it is only likely to be possible to degrade or stop \u0060named\u0060 by sending a flood of unaccepted dynamic updates comparable in magnitude to a query flood intended to achieve the same detrimental outcome. BIND 9.11 and earlier branches are also affected, but through exhaustion of internal resources rather than memory constraints. This may reduce performance but should not be a significant problem for most servers. Therefore we don\u0027t intend to address this for BIND versions prior to BIND 9.16. This issue affects BIND 9 versions 9.16.0 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.8-S1 through 9.16.36-S1.\n\nCVE-2022-3080:\n\tA flaw was found in the Bind package, where the resolver can crash when stale cache and stale answers are enabled, option stale-answer-client-timeout is set to 0 and there is a stale CNAME in the cache for an incoming query. By sending specific queries to the resolver, an attacker can cause named to crash.\n\nCVE-2022-2795:\n\tBy flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver\u0027s performance, effectively denying legitimate clients access to the DNS resolution service.",
  "published": "2023-04-13T17:56:00Z",
  "severity": "important",
  "epss": 0.19045,
  "epssPercentile": 0.97328,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "bind",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-chroot",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-devel",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dlz-filesystem",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dlz-filesystem-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dlz-ldap",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dlz-ldap-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dlz-mysql",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dlz-mysql-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dlz-sqlite3",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dlz-sqlite3-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dnssec-doc",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dnssec-utils",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
      "product": "bind-dnssec-utils-debuginfo",
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      "fix": "ALAS2023-2023-161",
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      "released": "2023-04-13T17:56:00Z"
    },
    {
      "platform": "linux",
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      "fix": "ALAS2023-2023-161",
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      "fix": "ALAS2023-2023-161",
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      "released": "2023-04-13T17:56:00Z"
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    {
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      "release": "amzn 2023",
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      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
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    {
      "platform": "linux",
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      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
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    {
      "platform": "linux",
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      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
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    {
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      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
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      "product": "bind-pkcs11-libs",
      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
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      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
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      "release": "amzn 2023",
      "fixedVersion": "32:9.16.38-1.amzn2023",
      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
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      "fix": "ALAS2023-2023-161",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    },
    {
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      "fix": "ALAS2023-2023-161",
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      "released": "2023-04-13T17:56:00Z"
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    {
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      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-161",
      "released": "2023-04-13T17:56:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}