CVE Vulnerability

CVE-2021-3935

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.

5.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 4.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2021251 Issue Tracking Third Party Advisory
http://www.pgbouncer.org/changelog.html#pgbouncer-116x Release Notes Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/ Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2021-11-22 04:15

Updated : 2022-12-21 03:01

NVD link : CVE-2021-3935

Mitre link : CVE-2021-3935

Products Affected
No products.
CWE
CWE-89