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Hash: SHA256

Format: 1.8
Date: Tue, 17 Aug 2021 14:04:37 +0200
Source: postgresql-13
Architecture: source
Version: 13.5-0+deb11u1
Distribution: bullseye-security
Urgency: medium
Maintainer: Debian PostgreSQL Maintainers <team+postgresql@tracker.debian.org> Changed-By: Christoph Berg <myon@debian.org>
Changes:
postgresql-13 (13.5-0+deb11u1) bullseye-security; urgency=medium
.
* New upstream security release.
.
+ Make the server and libpq reject extraneous data after an SSL or GSS
encryption handshake (Tom Lane)
.
A man-in-the-middle with the ability to inject data into the TCP
connection could stuff some cleartext data into the start of a
supposedly encryption-protected database session.
.
This could be abused to send faked SQL commands to the server, although
that would only work if the server did not demand any authentication
data. (However, a server relying on SSL certificate authentication
might well not do so.) (CVE-2021-23214)
.
This could probably be abused to inject faked responses to the client's
first few queries, although other details of libpq's behavior make that
harder than it sounds. A different line of attack is to exfiltrate the
client's password, or other sensitive data that might be sent early in
the session. That has been shown to be possible with a server
vulnerable to CVE-2021-23214. (CVE-2021-23222)
.
The PostgreSQL Project thanks Jacob Champion for reporting these
problems.
.
* Flatten debian/*.lintian-overrides symlinks to fix salsa CI. Checksums-Sha1:
eb3f1cc8538c3febc19bfd29c3c085861ec9e151 3696 postgresql-13_13.5-0+deb11u1.dsc
9321e2b01d1ffb15adae06945cb2c5f9dd671bc9 21186674 postgresql-13_13.5.orig.tar.bz2
6e44ab8a18cef94a5e6aa0b97db74e44006e518d 28796 postgresql-13_13.5-0+deb11u1.debian.tar.xz
Checksums-Sha256:
70481ab99d82417bef296378c69720657347c03b188d276e9b82f6587936d3be 3696 postgresql-13_13.5-0+deb11u1.dsc
9b81067a55edbaabc418aacef457dd8477642827499560b00615a6ea6c13f6b3 21186674 postgresql-13_13.5.orig.tar.bz2
36f225fda1f0759d8892d42a99acf565e1693ad2572714aad91b807f03cb4c95 28796 postgresql-13_13.5-0+deb11u1.debian.tar.xz
Files:
4b2ddbb813ac78dfcad5d171ca0a680e 3696 database optional postgresql-13_13.5-0+deb11u1.dsc
cf9814bdf22afcddb993b43a7be17da6 21186674 database optional postgresql-13_13.5.orig.tar.bz2
59bf74dbfcba21ba6ded3288d7764592 28796 database optional postgresql-13_13.5-0+deb11u1.debian.tar.xz

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