CVE-2021-3935
Vulnerability from cvelistv5
Published
2021-11-22 15:59
Modified
2024-08-03 17:09
Severity ?
EPSS score ?
Summary
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.
References
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T17:09:09.763Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251" }, { "tags": [ "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" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/" }, { "name": "[debian-lts-announce] 20220214 [SECURITY] [DLA 2922-1] pgbouncer security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "pgbouncer", "vendor": "n/a", "versions": [ { "status": "affected", "version": "PgBouncer 1.16.1" } ] } ], "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-89", "description": "CWE-89", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-02-14T14:06:26", "orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "shortName": "fedora" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251" }, { "tags": [ "x_refsource_MISC" ], "url": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x" }, { "name": "FEDORA-2021-761cda0b77", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/" }, { "name": "[debian-lts-announce] 20220214 [SECURITY] [DLA 2922-1] pgbouncer security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "patrick@puiterwijk.org", "ID": "CVE-2021-3935", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "pgbouncer", "version": { "version_data": [ { "version_value": "PgBouncer 1.16.1" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-89" } ] } ] }, "references": { "reference_data": [ { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251" }, { "name": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x", "refsource": "MISC", "url": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x" }, { "name": "FEDORA-2021-761cda0b77", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/" }, { "name": "[debian-lts-announce] 20220214 [SECURITY] [DLA 2922-1] pgbouncer security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html" } ] } } } }, "cveMetadata": { "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "assignerShortName": "fedora", "cveId": "CVE-2021-3935", "datePublished": "2021-11-22T15:59:14", "dateReserved": "2021-11-08T00:00:00", "dateUpdated": "2024-08-03T17:09:09.763Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-3935\",\"sourceIdentifier\":\"patrick@puiterwijk.org\",\"published\":\"2021-11-22T16:15:07.440\",\"lastModified\":\"2024-11-21T06:22:48.790\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"},{\"lang\":\"es\",\"value\":\"Cuando PgBouncer est\u00e1 configurado para usar la autenticaci\u00f3n \\\"cert\\\", un atacante de tipo \\\"man-in-the-middle\\\" puede inyectar consultas SQL arbitrarias cuando se establece una conexi\u00f3n por primera vez, a pesar del uso de la verificaci\u00f3n y el cifrado de certificados TLS. Este fallo afecta a PgBouncer versiones anteriores a 1.16.1\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:H/Au:N/C:P/I:P/A:P\",\"baseScore\":5.1,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"HIGH\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":4.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"patrick@puiterwijk.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-89\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-295\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.16.1\",\"matchCriteriaId\":\"7178D74A-5564-48FF-8654-7FC7F07AD7BF\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"142AD0DD-4CF3-4D74-9442-459CE3347E3A\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80E516C0-98A4-4ADE-B69F-66A772E2BAAA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]}],\"references\":[{\"url\":\"http://www.pgbouncer.org/changelog.html#pgbouncer-116x\",\"source\":\"patrick@puiterwijk.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2021251\",\"source\":\"patrick@puiterwijk.org\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html\",\"source\":\"patrick@puiterwijk.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/\",\"source\":\"patrick@puiterwijk.org\"},{\"url\":\"http://www.pgbouncer.org/changelog.html#pgbouncer-116x\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2021251\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}" } }
Loading…
Loading…
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.