Vulnerability CVE-2014-1916


Published: 2014-02-07   Modified: 2014-02-08

Description:
The (1) opus_packet_get_nb_frames and (2) opus_packet_get_samples_per_frame functions in the client in MumbleKit before commit fd190328a9b24d37382b269a5674b0c0c7a7e36d and Mumble for iOS 1.1 through 1.2.2 do not properly check the return value of the copyDataBlock method, which allow remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted length prefix value in an Opus voice packet.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Mumble NULL pointer dereference
Mumble
09.02.2014

Type:

CWE-399

(Resource Management Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Light speed gaming -> Mumble 
Light speed gaming -> Mumblekit 

 References:
http://osvdb.org/102957
http://mumble.info/security/Mumble-SA-2014-003.txt

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