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Message-Id: <E1nf8PL-0008KF-35@mail.digium.com>
Date: Thu, 14 Apr 2022 22:57:47 +0000
From: "Asterisk Security Team" <security@...erisk.org>
To: fulldisclosure@...lists.org
Subject: [FD] AST-2022-003: func_odbc: Possible SQL Injection
Asterisk Project Security Advisory - AST-2022-003
Product Asterisk
Summary func_odbc: Possible SQL Injection
Nature of Advisory SQL injection
Susceptibility Remote unauthenticated sessions
Severity Low
Exploits Known No
Reported On January 5, 2022
Reported By Leandro Dardini
Posted On April 14, 2022
Last Updated On April 12, 2022
Advisory Contact Jcolp AT sangoma DOT com
CVE Name CVE-2022-26651
Description Some databases can use backslashes to escape certain
characters, such as backticks. If input is provided to
func_odbc which includes backslashes it is possible
for func_odbc to construct a broken SQL query and the
SQL query to fail.
Additionally while it has not yet been reproduced this
security advisory is also being published to cover the
case of SQL injection with the aim of database
manipulation by an outside party.
Modules Affected func_odbc
Resolution A new dialplan function, SQL_ESC_BACKSLASHES, has been added
to the func_odbc module which will escape backslashes. If
your usage of func_odbc may have input which includes
backslashes and your database uses backslashes to escape
backticks then use the dialplan function to escape the
backslashes.
A second option is to disable support for backslashes for
escaping in your database if the underlying database
supports it.
Affected Versions
Product Release Series
Asterisk Open Source 16.x All versions
Asterisk Open Source 18.x All versions
Asterisk Open Source 19.x All versions
Certified Asterisk 16.x All versions
Corrected In
Product Release
Asterisk Open Source 16.25.2, 18.11.2, 19.3.2
Certified Asterisk 16.8-cert14
Patches
Patch URL Revision
https://downloads.digium.com/pub/security/AST-2022-003-16.diff Asterisk
16
https://downloads.digium.com/pub/security/AST-2022-003-18.diff Asterisk
18
https://downloads.digium.com/pub/security/AST-2022-003-19.diff Asterisk
19
https://downloads.digium.com/pub/security/AST-2022-003-16.8.diff Certified
Asterisk
16.8
Links https://issues.asterisk.org/jira/browse/ASTERISK-29838
https://downloads.asterisk.org/pub/security/AST-2022-003.html
Asterisk Project Security Advisories are posted at
http://www.asterisk.org/security
This document may be superseded by later versions; if so, the latest
version will be posted at
https://downloads.digium.com/pub/security/AST-2022-003.pdf and
https://downloads.digium.com/pub/security/AST-2022-003.html
Revision History
Date Editor Revisions Made
February 15, 2022 Joshua Colp Initial revision
Asterisk Project Security Advisory - AST-2022-003
Copyright �� 2022 Digium, Inc. All Rights Reserved.
Permission is hereby granted to distribute and publish this advisory in its
original, unaltered form.
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