Bug 2021251 (CVE-2021-3935) - CVE-2021-3935 pgbouncer: server processes unencrypted bytes from man-in-the-middle
Summary: CVE-2021-3935 pgbouncer: server processes unencrypted bytes from man-in-the-m...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-3935
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2023784 2023785
Blocks: 2021308
TreeView+ depends on / blocked
 
Reported: 2021-11-08 16:33 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-11-16 15:01 UTC (History)
6 users (show)

Fixed In Version: PgBouncer 1.16.1
Doc Type: If docs needed, set a value
Doc Text:
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.
Clone Of:
Environment:
Last Closed: 2021-11-16 15:01:21 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2021-11-08 16:33:51 UTC 
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.
Comment 1 Guilherme de Almeida Suckevicz 2021-11-16 14:51:45 UTC 
Created pgbouncer tracking bugs for this issue:

Affects: epel-all [bug 2023785]
Affects: fedora-all [bug 2023784]
Comment 2 Product Security DevOps Team 2021-11-16 15:01:19 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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