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            "url": "https://www.netskope.com/company/security-compliance-and-assurance/security-advisories-and-disclosures/netskope-security-advisory-nskpsa-2023-002"
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                "id": "CVE-2022-4149",
                "options": [
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          "value": "Netskope credits Dawson Medin from Mandiant for reporting this flaw."
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              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThe Netskope client service (prior to R96) on Windows runs as NT AUTHORITY\\SYSTEM which writes log files to a writable directory (C:\\Users\\Public\\netSkope) for a standard user. The files are created and written with a SYSTEM account except one file (logplaceholder) which inherits permission giving all users full access control list. Netskope client restricts access to this file by allowing only read permissions as a standard user. Whenever the Netskope client service restarts, it deletes the logplaceholder and recreates, creating a race condition, which can be exploited by a malicious local user to create the file and set ACL permissions on the file. Once the file is created by a malicious user with proper ACL permissions, all files within C:\\Users\\Public\\netSkope\\ becomes modifiable by the unprivileged user. By using Windows pseudo-symlink, these files can be pointed to other places in the system and thus malicious users will be able to elevate privileges.\u003c/span\u003e\u003cbr\u003e"
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          "capecId": "CAPEC-233",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-367",
              "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition",
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      "providerMetadata": {
        "dateUpdated": "2023-06-15T06:44:27.310Z",
        "orgId": "bf992f6a-e49d-4e94-9479-c4cff32c62bc",
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              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eNetskope has patched the vulnerability and released a binary with a fix. Customers are recommended to upgrade their Netskope clients to v100 or later. Netskope download Instructions \u2013 \u003c/span\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://support.netskope.com/s/article/Download-Netskope-Client-and-Scripts\"\u003eDownload Netskope Client and Scripts \u2013 Netskope Support\u003c/a\u003e\u003cbr\u003e"
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          "value": "Netskope has patched the vulnerability and released a binary with a fix. Customers are recommended to upgrade their Netskope clients to v100 or later. Netskope download Instructions \u2013  Download Netskope Client and Scripts \u2013 Netskope Support https://support.netskope.com/s/article/Download-Netskope-Client-and-Scripts \n"
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      ],
      "source": {
        "advisory": "NSKPSA-2023-002",
        "defect": [
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        "discovery": "EXTERNAL"
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      "title": "Local privilege escalation using log file",
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              "value": "Netskope recommends using hardening guidelines listed here -\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u2013 \u003c/span\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.netskope.com/en/netskope-client-hardening.html\"\u003ehttps://docs.netskope.com/en/netskope-client-hardening.html\u003c/a\u003e\u0026nbsp;\u003cbr\u003e"
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          "value": "Netskope recommends using hardening guidelines listed here -\u00a0\u2013  https://docs.netskope.com/en/netskope-client-hardening.html https://docs.netskope.com/en/netskope-client-hardening.html \u00a0\n"
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    "dateReserved": "2022-11-28T12:19:11.243Z",
    "dateUpdated": "2024-12-12T17:05:07.261Z",
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