github - ghsa-g3h8-wgx9-76x9

ghsa-g3h8-wgx9-76x9

Vulnerability from github

Published

2025-09-16 15:32

Modified

2025-09-16 15:32

Severity ?

7.4 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

IBM AIX 7.2, 7.3, IBM VIOS 3.1, and 4.1, when configured to use Kerberos network authentication, could allow a local user to write to files on the system with root privileges due to improper initialization of critical variables.

Show details on source website

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-36244"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-454"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-16T15:15:44Z",
    "severity": "HIGH"
  },
  "details": "IBM AIX 7.2, 7.3, IBM VIOS 3.1, and 4.1, when configured to use Kerberos network authentication, could allow a local user to write to files on the system with root privileges due to improper initialization of critical variables.",
  "id": "GHSA-g3h8-wgx9-76x9",
  "modified": "2025-09-16T15:32:37Z",
  "published": "2025-09-16T15:32:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-36244"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7245092"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-36244 (GCVE-0-2025-36244)

Vulnerability from cvelistv5

Published

2025-09-16 14:38

Modified

2025-09-22 18:10

Severity ?

7.4 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-454 - External Initialization of Trusted Variables or Data Stores

Summary

IBM AIX 7.2, 7.3, IBM VIOS 3.1, and 4.1, when configured to use Kerberos network authentication, could allow a local user to write to files on the system with root privileges due to improper initialization of critical variables.

References

URL

Tags

https://www.ibm.com/support/pages/node/7245092

vendor-advisory, patch

Impacted products

Vendor

Product

Version

Version: 7.2
Version: 7.3
    cpe:2.3:o:ibm:aix:7.2:*:*:*:*:*:*:*
    cpe:2.3:o:ibm:aix:7.3:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:vios:3.1:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:vios:4.1:*:*:*:*:*:*:*

Version: 3.1
Version: 4.1

Show details on NVD website

To clipboard

{
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-36244",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-16T00:00:00+00:00",
                "version": "2.0.3"
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-17T03:55:48.492Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:ibm:aix:7.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:ibm:aix:7.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:vios:3.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:vios:4.1:*:*:*:*:*:*:*"
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          "product": "AIX",
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          "versions": [
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          "value": "IBM AIX 7.2, 7.3, IBM VIOS 3.1, and 4.1, when configured to use Kerberos network authentication, could allow a local user to write to files on the system with root privileges due to improper initialization of critical variables."
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      "metrics": [
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          "cvssV3_1": {
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            "attackVector": "LOCAL",
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            "baseScore": 7.4,
            "baseSeverity": "HIGH",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-454",
              "description": "CWE-454 External Initialization of Trusted Variables or Data Stores",
              "lang": "en",
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      "providerMetadata": {
        "dateUpdated": "2025-09-22T18:10:06.615Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
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              "value": "\u003cp\u003eIBM strongly recommends addressing the vulnerability now.\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eAIX and VIOS fixes are available. The AIX and VIOS fixes can be downloaded via https from:\u003c/p\u003e\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://aix.software.ibm.com/aix/efixes/security/kerberos_fix.tar\"\u003ehttps://aix.software.ibm.com/aix/efixes/security/kerberos_fix.tar\u003c/a\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eThe link above is to a tar file containing this signed advisory, fix packages, and OpenSSL signatures for each package. The fixes below include prerequisite checking. This will enforce the correct mapping between the fixes and AIX Technology Levels.\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eYou must be on the \u0027prereq for installation\u0027 level before applying the interim fix. This may require installing a new level(prereq version) first from:\u003c/p\u003e\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/resources/mrs/assets?source=aixbp\"\u003ehttps://www.ibm.com/resources/mrs/assets?source=aixbp\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eAIX Level\u003c/td\u003e\u003ctd\u003eInterim Fix\u003c/td\u003e\u003ctd\u003eFileset Name (prereq for installation)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.2, 7.3\u003c/td\u003e\u003ctd\u003eIJ55344s9a.250722.epkg.Z\u003c/td\u003e\u003ctd\u003ekrb5.client.rte (1.16.1.7)\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eVIOS Level\u003c/td\u003e\u003ctd\u003eInterim Fix\u003c/td\u003e\u003ctd\u003eFileset Name (prereq for installation)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e3.1, 4.1\u003c/td\u003e\u003ctd\u003eIJ55344s9a.250722.epkg.Z\u003c/td\u003e\u003ctd\u003ekrb5.client.rte (1.16.1.7)\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eTo extract the fixes from the tar file:\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003etar xvf kerberos_fix.tar\u003c/p\u003e\u003cp\u003ecd kerberos_fix\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eVerify you have retrieved the fixes intact:\u003c/p\u003e\u003cp\u003eThe checksums below were generated using the \"openssl dgst -sha256 [filename]\" command as the following:\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eopenssl dgst -sha256\u003c/td\u003e\u003ctd\u003efilename\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7e771a31c6f02b5635d99e3444c6085c1c67fd744ed00eade1d042134df6bb54\u003c/td\u003e\u003ctd\u003eIJ55344s9a.250722.epkg.Z\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eThese sums should match exactly. The OpenSSL signatures in the tar file and on this advisory can also be used to verify the integrity of the fixes.  If the sums or signatures cannot be confirmed, contact IBM Support at \u003ca target=\"_blank\" rel=\"nofollow\" href=\"http://ibm.com/support/\"\u003ehttp://ibm.com/support/\u003c/a\u003e\u0026nbsp;and describe the discrepancy.  \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eopenssl dgst -sha256 -verify [pubkey_file] -signature [advisory_file].sig [advisory_file]\u003c/p\u003e\u003cp\u003eopenssl dgst -sha256 -verify [pubkey_file] -signature [ifix_file].sig [ifix_file]\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003ePublished advisory OpenSSL signature file location:\u003c/p\u003e\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://aix.software.ibm.com/aix/efixes/security/kerberos_advisory.asc.sig\"\u003ehttps://aix.software.ibm.com/aix/efixes/security/kerberos_advisory.asc.sig\u003c/a\u003e\u003c/p\u003e\n\n\u003cbr\u003e"
            }
          ],
          "value": "IBM strongly recommends addressing the vulnerability now.\n\n\u00a0\n\nAIX and VIOS fixes are available. The AIX and VIOS fixes can be downloaded via https from:\n\n https://aix.software.ibm.com/aix/efixes/security/kerberos_fix.tar \u00a0\n\n\u00a0\n\nThe link above is to a tar file containing this signed advisory, fix packages, and OpenSSL signatures for each package. The fixes below include prerequisite checking. This will enforce the correct mapping between the fixes and AIX Technology Levels.\n\n\u00a0\n\nYou must be on the \u0027prereq for installation\u0027 level before applying the interim fix. This may require installing a new level(prereq version) first from:\n\n https://www.ibm.com/resources/mrs/assets?source=aixbp \n\n\u00a0\n\nAIX LevelInterim FixFileset Name (prereq for installation)7.2, 7.3IJ55344s9a.250722.epkg.Zkrb5.client.rte (1.16.1.7)\n\n\u00a0\n\nVIOS LevelInterim FixFileset Name (prereq for installation)3.1, 4.1IJ55344s9a.250722.epkg.Zkrb5.client.rte (1.16.1.7)\n\n\u00a0\n\nTo extract the fixes from the tar file:\n\n\u00a0\n\ntar xvf kerberos_fix.tar\n\ncd kerberos_fix\n\n\u00a0\n\nVerify you have retrieved the fixes intact:\n\nThe checksums below were generated using the \"openssl dgst -sha256 [filename]\" command as the following:\n\n\u00a0\n\nopenssl dgst -sha256filename7e771a31c6f02b5635d99e3444c6085c1c67fd744ed00eade1d042134df6bb54IJ55344s9a.250722.epkg.Z\n\n\u00a0\n\nThese sums should match exactly. The OpenSSL signatures in the tar file and on this advisory can also be used to verify the integrity of the fixes.  If the sums or signatures cannot be confirmed, contact IBM Support at  http://ibm.com/support/ \u00a0and describe the discrepancy.  \u00a0 \u00a0 \u00a0 \u00a0\n\n\u00a0\n\nopenssl dgst -sha256 -verify [pubkey_file] -signature [advisory_file].sig [advisory_file]\n\nopenssl dgst -sha256 -verify [pubkey_file] -signature [ifix_file].sig [ifix_file]\n\n\u00a0\n\nPublished advisory OpenSSL signature file location:\n\n https://aix.software.ibm.com/aix/efixes/security/kerberos_advisory.asc.sig"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "IBM AIX privilege escalation",
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              "value": "\u003cp\u003eIf possible, it is recommended that a mksysb backup of the system be created. Verify it is both bootable and readable before proceeding.\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eTo preview a fix installation:\u003c/p\u003e\u003cp\u003einstallp -a -d fix_name -p all  # where fix_name is the name of the\u003c/p\u003e\u003cp\u003e\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; # fix package being previewed.\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eTo install a fix package:\u003c/p\u003e\u003cp\u003einstallp -a -d fix_name -X all  # where fix_name is the name of the\u003c/p\u003e\u003cp\u003e\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; # fix package being installed.\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eInterim fixes have had limited functional and regression testing but not the full regression testing that takes place for Service Packs; however, IBM does fully support them.\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eInterim fix management documentation can be found at:\u003c/p\u003e\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/support/pages/managing-interim-fixes-aix\"\u003ehttps://www.ibm.com/support/pages/managing-interim-fixes-aix\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eTo preview an interim fix installation:\u003c/p\u003e\u003cp\u003eemgr -e ipkg_name -p \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; # where ipkg_name is the name of the\u003c/p\u003e\u003cp\u003e\u0026nbsp;  \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; # interim fix package being previewed.\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003eTo install an interim fix package:\u003c/p\u003e\u003cp\u003eemgr -e ipkg_name -X \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; # where ipkg_name is the name of the\u003c/p\u003e\u003cp\u003e\u0026nbsp;  \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; # interim fix package being installed.\u003c/p\u003e\n\n\u003cbr\u003e"
            }
          ],
          "value": "If possible, it is recommended that a mksysb backup of the system be created. Verify it is both bootable and readable before proceeding.\n\n\u00a0\n\nTo preview a fix installation:\n\ninstallp -a -d fix_name -p all  # where fix_name is the name of the\n\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # fix package being previewed.\n\n\u00a0\n\nTo install a fix package:\n\ninstallp -a -d fix_name -X all  # where fix_name is the name of the\n\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # fix package being installed.\n\n\u00a0\n\nInterim fixes have had limited functional and regression testing but not the full regression testing that takes place for Service Packs; however, IBM does fully support them.\n\n\u00a0\n\nInterim fix management documentation can be found at:\n\n https://www.ibm.com/support/pages/managing-interim-fixes-aix \n\n\u00a0\n\nTo preview an interim fix installation:\n\nemgr -e ipkg_name -p \u00a0 \u00a0 \u00a0 \u00a0 # where ipkg_name is the name of the\n\n\u00a0  \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # interim fix package being previewed.\n\n\u00a0\n\nTo install an interim fix package:\n\nemgr -e ipkg_name -X \u00a0 \u00a0 \u00a0 \u00a0 # where ipkg_name is the name of the\n\n\u00a0  \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # interim fix package being installed."
        }
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  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2025-36244",
    "datePublished": "2025-09-16T14:38:08.632Z",
    "dateReserved": "2025-04-15T21:16:43.930Z",
    "dateUpdated": "2025-09-22T18:10:06.615Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.