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cve[email protected]CVE-2023-39418
HistoryAug 11, 2023 - 1:15 p.m.

CVE-2023-39418

2023-08-1113:15:09
web.nvd.nist.gov
222
postgresql
merge command
vulnerability
cve-2023-39418
nvd
row security policies
update
select
insert

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

6 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

36.3%

A vulnerability was found in PostgreSQL with the use of the MERGE command, which fails to test new rows against row security policies defined for UPDATE and SELECT. If UPDATE and SELECT policies forbid some rows that INSERT policies do not forbid, a user could store such rows.

Affected configurations

NVD
Node
postgresqlpostgresqlRange15.015.4
Node
redhatenterprise_linuxMatch8.0
OR
redhatenterprise_linuxMatch9.0
Node
debiandebian_linuxMatch12.0
CPENameOperatorVersion
postgresql:postgresqlpostgresqllt15.4

CNA Affected

[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "postgresql:15",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8090020231114113548.a75119d5",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "postgresql:15",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8080020231113134015.63b34585",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_eus:8.8::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "postgresql:15",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "9030020231120082734.rhel9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "postgresql:15",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "9020020231115020618.rhel9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_eus:9.2::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "postgresql",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "postgresql",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "postgresql:10/postgresql",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "postgresql:12/postgresql",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "postgresql:13/postgresql",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "postgresql",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Software Collections",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-postgresql10-postgresql",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:rhel_software_collections:3"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Software Collections",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-postgresql12-postgresql",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:rhel_software_collections:3"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Software Collections",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-postgresql13-postgresql",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:rhel_software_collections:3"
    ]
  }
]

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

6 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

36.3%