UBUNTU-CVE-2023-2455

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    UBUNTU-CVE-2023-2455

    Published: 12 May 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2023-2455
    Aliases:
    USN-6104-1

    Summary:

    Details: Row security policies disregard user ID changes after inlining; PostgreSQL could permit incorrect policies to be applied in certain cases where role-specific policies are used and a given query is planned under one role and then executed under other roles. This scenario can happen under security definer functions or when a common user and query is planned initially and then re-used across multiple SET ROLEs. Applying an incorrect policy may permit a user to complete otherwise-forbidden reads and modifications. This affects only databases that have used CREATE POLICY to define a row security policy.

    References: https://ubuntu.com/security/CVE-2023-2455, https://www.postgresql.org/about/news/postgresql-153-148-1311-1215-and-1120-released-2637/, https://ubuntu.com/security/notices/USN-6104-1, https://www.cve.org/CVERecord?id=CVE-2023-2455

    Affected packages

    Package

    Name: postgresql-9.3

    Purl: pkg:deb/ubuntu/[email protected]+esm1?arch=source&distro=esm-infra-legacy/trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    9.3.1-1
    9.3.2-1
    9.3.2-1ubuntu1
    9.3.2-1ubuntu2
    9.3.3-1
    9.3.3-1bzr1
    9.3.3-1bzr2
    9.3.4-1
    9.3.5-0ubuntu0.14.04.1
    9.3.6-0ubuntu0.14.04
    9.3.7-0ubuntu0.14.04
    9.3.8-0ubuntu0.4.04
    9.3.9-0ubuntu0.14.04
    9.3.10-0ubuntu0.14.04
    9.3.11-0ubuntu0.14.04
    9.3.12-0ubuntu0.14.04
    9.3.13-0ubuntu0.14.04
    9.3.14-0ubuntu0.14.04
    9.3.15-0ubuntu0.14.04
    9.3.16-0ubuntu0.14.04
    9.3.17-0ubuntu0.14.04
    9.3.18-0ubuntu0.14.04.1
    9.3.19-0ubuntu0.14.04
    9.3.20-0ubuntu0.14.04
    9.3.21-0ubuntu0.14.04
    9.3.22-0ubuntu0.14.04
    9.3.23-0ubuntu0.14.04
    9.3.24-0ubuntu0.14.04
    9.3.24-0ubuntu0.14.04+esm1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2023-2455 | CVE-DB