github - ghsa-jh4v-gqwq-hfrr

GHSA-JH4V-GQWQ-HFRR

Vulnerability from github – Published: 2022-05-24 19:21 – Updated: 2025-11-03 21:30

Details

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.

Severity ?

8.1 (High)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-3935"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295",
      "CWE-89"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-11-22T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-jh4v-gqwq-hfrr",
  "modified": "2025-11-03T21:30:36Z",
  "published": "2022-05-24T19:21:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3935"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00032.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI"
    },
    {
      "type": "WEB",
      "url": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-3935 (GCVE-0-2021-3935)

Vulnerability from cvelistv5 – Published: 2021-11-22 15:59 – Updated: 2025-11-03 19:26

Summary

Severity ?

No CVSS data available.

CWE

CWE-89

Assigner

fedora

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=2021251	x_refsource_MISC
	http://www.pgbouncer.org/changelog.html#pgbouncer-116x	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	pgbouncer	Affected: PgBouncer 1.16.1

Show details on NVD website

JSON

To clipboard

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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x"
          },
          {
            "name": "FEDORA-2021-761cda0b77",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/"
          },
          {
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          }
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    "cna": {
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    "dateReserved": "2021-11-08T00:00:00.000Z",
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-JH4V-GQWQ-HFRR

CVE-2021-3935 (GCVE-0-2021-3935)

Tags

Sightings

Nomenclature