rhsa-2025:1720
Vulnerability from csaf_redhat
Published
2025-02-20 14:49
Modified
2025-08-03 13:23
Summary
Red Hat Security Advisory: libpq security update

Notes

Topic
An update for libpq is now available for Red Hat Enterprise Linux 8.2 Advanced 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. Security Fix(es): * postgresql: PostgreSQL quoting APIs miss neutralizing quoting syntax in text that fails encoding validation (CVE-2025-1094) 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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  "vulnerabilities": [
    {
      "cve": "CVE-2025-1094",
      "cwe": {
        "id": "CWE-149",
        "name": "Improper Neutralization of Quoting Syntax"
      },
      "discovery_date": "2025-02-13T14:00:39.470942+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2345548"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in PostgreSQL. Due to improper neutralization of quoting syntax, affected versions potentially allow a database input provider to achieve SQL injection in certain usage patterns. Specifically, SQL injection requires the application to use the affected function\u0027s result to construct input to psql, the PostgreSQL interactive terminal. Similarly, improper neutralization of quoting syntax in PostgreSQL command line utility programs allows a source of command line arguments to achieve SQL injection when `client_encoding` is `BIG5` and `server_encoding` is one of `EUC_TW` or `MULE_INTERNAL`.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "postgresql: PostgreSQL quoting APIs miss neutralizing quoting syntax in text that fails encoding validation",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is marked as Important because it not only enables SQL injection but also allows arbitrary code execution (ACE) through PostgreSQL\u2019s psql interactive tool. The flaw arises from improper neutralization of malformed UTF-8 sequences, which can bypass PostgreSQL\u2019s escaping functions, leading to successful injection attacks. What elevates its severity is psql\u0027s support for meta-commands, specifically the ! command, which allows execution of arbitrary shell commands on the host system.\n\nEven when untrusted input is correctly escaped (e.g., via pg_escape_string), an attacker can craft invalid UTF-8 characters containing raw bytes like 0x27 (a single quote), causing psql to misinterpret the SQL statement\u2019s structure. This allows splitting a single query into multiple statements, enabling unauthenticated attackers to execute arbitrary SQL meta-commands (e.g., \\! \u003cOS command\u003e) or inject malicious SQL.",
          "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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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345548"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-1094",
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-1094",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-1094"
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        {
          "category": "external",
          "summary": "https://attackerkb.com/topics/G5s8ZWAbYH/cve-2024-12356/rapid7-analysis",
          "url": "https://attackerkb.com/topics/G5s8ZWAbYH/cve-2024-12356/rapid7-analysis"
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          "summary": "https://www.postgresql.org/support/security/CVE-2025-1094/",
          "url": "https://www.postgresql.org/support/security/CVE-2025-1094/"
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        {
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          "summary": "https://www.rapid7.com/blog/post/2025/02/13/cve-2025-1094-postgresql-psql-sql-injection-fixed/",
          "url": "https://www.rapid7.com/blog/post/2025/02/13/cve-2025-1094-postgresql-psql-sql-injection-fixed/"
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          "date": "2025-02-20T14:49:14+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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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2025:1720"
        },
        {
          "category": "workaround",
          "details": "To mitigate, apply PostgreSQL patches once available. Until then:\n\n1. Validate UTF-8 encoding: Reject inputs containing invalid UTF-8 sequences before passing to psql.\n2. Avoid dynamic SQL: Use parameterized queries or ORM frameworks to minimize direct psql usage with raw input.\n3. Restrict psql privileges: Limit OS-level permissions for the PostgreSQL user to reduce RCE impact.\n4. Monitor logs: Flag repeated invalid byte sequence for encoding \"UTF8\" errors, which may indicate exploitation attempts.",
          "product_ids": [
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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            "AppStream-8.2.0.Z.AUS:libpq-0:12.7-1.el8_2.2.src",
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            "AppStream-8.2.0.Z.AUS:libpq-devel-debuginfo-0:12.7-1.el8_2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "postgresql: PostgreSQL quoting APIs miss neutralizing quoting syntax in text that fails encoding validation"
    }
  ]
}


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