Bug 1439099 (CVE-2017-7617) - CVE-2017-7617 asterisk: Buffer overflow in CDR's set user
Summary: CVE-2017-7617 asterisk: Buffer overflow in CDR's set user
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2017-7617
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1439102 1439103
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-04-05 08:43 UTC by Andrej Nemec
Modified: 2021-02-17 02:23 UTC (History)
4 users (show)

Fixed In Version: asterisk 13.14.1, asterisk 14.3.1
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Environment:
Last Closed: 2019-06-08 03:09:57 UTC
Embargoed:

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Description Andrej Nemec 2017-04-05 08:43:27 UTC 
No size checking is done when setting the user field on a CDR. Thus, it is possible for someone to use an arbitrarily large string and write past the end of the user field storage buffer. This allows the possibility of remote code injection.

External References:

http://downloads.asterisk.org/pub/security/AST-2017-001.html

Upstream patches:

[Asterisk 13] http://downloads.asterisk.org/pub/security/AST-2017-001-13.diff
[Asterisk 14] http://downloads.asterisk.org/pub/security/AST-2017-001-14.diff

Upstream bug:

https://issues.asterisk.org/jira/browse/ASTERISK-26897
Comment 1 Andrej Nemec 2017-04-05 08:45:13 UTC 
Created asterisk tracking bugs for this issue:

Affects: epel-6 [bug 1439102]
Affects: fedora-all [bug 1439103]
Comment 2 Product Security DevOps Team 2019-06-08 03:09:57 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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