rhsa-2021_0057
Vulnerability from csaf_redhat
Published
2021-01-11 10:57
Modified
2024-11-15 07:27
Summary
Red Hat Security Advisory: libpq security update

Notes

Topic
An update for libpq is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. The following packages have been upgraded to a later upstream version: libpq (12.5). (BZ#1898227, BZ#1901559) Security Fix(es): * postgresql: Reconnection can downgrade connection security settings (CVE-2020-25694) * postgresql: psql's \gset allows overwriting specially treated variables (CVE-2020-25696) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "postgresql: Reconnection can downgrade connection security settings"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Nick Cleaton"
          ]
        }
      ],
      "cve": "CVE-2020-25696",
      "cwe": {
        "id": "CWE-270",
        "name": "Privilege Context Switching Error"
      },
      "discovery_date": "2020-11-04T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1894430"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the psql interactive terminal of PostgreSQL. If an interactive psql session uses \\gset when querying a compromised server, this flaw allows an attacker to execute arbitrary code as the operating system account running psql. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "postgresql: psql\u0027s \\gset allows overwriting specially treated variables",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "In Red Hat Gluster Storage 3, PostgreSQL (embedded in rhevm-dependencies) was shipped as a part of the Red Hat Gluster Storage Console that is no longer supported for use with Red Hat Gluster Storage 3.5. Red Hat Gluster Storage Web Administration is now the recommended monitoring tool for Red Hat Storage Gluster clusters.\nIn Red Hat Virtualization, the manager appliance uses a vulnerable version of postgresql. Once a fix has been shipped for RHEL 8 the appliance can consume the fix via a regular yum update.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-25696"
        },
        {
          "category": "external",
          "summary": "RHBZ#1894430",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1894430"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-25696",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-25696"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-25696",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25696"
        },
        {
          "category": "external",
          "summary": "https://www.postgresql.org/about/news/postgresql-131-125-1110-1015-9620-and-9524-released-2111/",
          "url": "https://www.postgresql.org/about/news/postgresql-131-125-1110-1015-9620-and-9524-released-2111/"
        }
      ],
      "release_date": "2020-11-12T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-01-11T10:57:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "category": "none"
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            "attackVector": "NETWORK",
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            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "postgresql: psql\u0027s \\gset allows overwriting specially treated variables"
    }
  ]
}


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