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Debian LTS Advisory DLA-2824-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Sylvain Beucler
November 20, 2021                             https://wiki.debian.org/LTS
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Package        : firebird3.0
Version        : 3.0.1.32609.ds4-14+deb9u1
CVE ID         : CVE-2017-11509

An authenticated remote attacker can execute arbitrary code in
Firebird, a relational database based on InterBase 6.0, by executing a
malformed SQL statement. The only known solution is to disable
external UDF libraries from being loaded. In order to achieve this,
the default configuration has changed to UdfAccess=None. This will
prevent the fbudf module from being loaded, but may also break other
functionality relying on modules.

For Debian 9 stretch, this problem has been fixed in version
3.0.1.32609.ds4-14+deb9u1.

We recommend that you upgrade your firebird3.0 packages.

For the detailed security status of firebird3.0 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/firebird3.0

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS