Bug 1548149 (CVE-2018-7287) - CVE-2018-7287 asterisk: Denial of Service (DoS) in WebSocket frames with 0 sized payload
Summary: CVE-2018-7287 asterisk: Denial of Service (DoS) in WebSocket frames with 0 si...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2018-7287
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1548150 1548151
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-02-22 20:47 UTC by Laura Pardo
Modified: 2019-09-29 14:33 UTC (History)
4 users (show)

Fixed In Version: asterisk 15.2.2
Clone Of:
Environment:
Last Closed: 2019-06-08 03:41:01 UTC
Embargoed:

Attachments (Terms of Use)

Description Laura Pardo 2018-02-22 20:47:49 UTC 
A flaw was discovered in Asterisk 15.x. When reading a websocket, the length was not being checked. If a payload of length 0 was read, it would result in a busy loop that waited for the underlying connection to close.


References:
http://downloads.asterisk.org/pub/security/AST-2018-006.html
https://issues.asterisk.org/jira/browse/ASTERISK-27658

Patch:
http://downloads.asterisk.org/pub/security/AST-2018-006-15.diff
Comment 1 Laura Pardo 2018-02-22 20:48:22 UTC 
Created asterisk tracking bugs for this issue:

Affects: epel-6 [bug 1548151]
Affects: fedora-all [bug 1548150]
Comment 2 Product Security DevOps Team 2019-06-08 03:41:01 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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