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CVE-2021-3935

CVE-2021-3935

This page contains facts from public vulnerability sources. Check the original advisory before updating.

When PgBouncer is configured to use "cert" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1.

CVSS 8.1 · High · EPSS 1.1% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • pgbouncer

    Versions
    • PgBouncer 1.16.1: Affected

    No fix published

  • pgbouncer Debian:12

    Affected ranges
    • ECOSYSTEM: < 1.16.1-1

    Update to 1.16.1-1

  • pgbouncer Debian:13

    Affected ranges
    • ECOSYSTEM: < 1.16.1-1

    Update to 1.16.1-1

  • pgbouncer Debian:14

    Affected ranges
    • ECOSYSTEM: < 1.16.1-1

    Update to 1.16.1-1

  • pgbouncer Ubuntu:16.04:LTS

    Versions
    • 1.5.5-1
    • 1.6.1-1
    • 1.7-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • pgbouncer Ubuntu:18.04:LTS

    Versions
    • 1.7.2-3build1
    • 1.7.2-65-g2b8e6cf-1
    • 1.8.1-1
    • 1.8.1-1build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • pgbouncer Ubuntu:20.04:LTS

    Versions
    • 1.10.0-1
    • 1.10.0-1build1
    • 1.11.0-1
    • 1.12.0-2
    • 1.12.0-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • pgbouncer Ubuntu:22.04:LTS

    Versions
    • 1.15.0-1
    • 1.16.1-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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