Buffer over-read in Polycom, Inc. products - CVE-2017-12857

 

Buffer over-read in Polycom, Inc. products - CVE-2017-12857

Published: September 12, 2017


Vulnerability identifier: #VU8242
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-12857
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Polycom, Inc.
Affected software:
RealPresence Trio
VVX
SoundStation IP

Detailed vulnerability description

The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information.

The weakness exists due to buffer over-read. A remote attacker can upload a specially crafted file containing null characters and obtain potentially sensitive information from uninitialized system memory.

Successful exploitation of the vulnerability results in information disclosure.

How to mitigate CVE-2017-12857

The vulnerability is addressed in the following version: UCS 4.0.12, 5.6.0, 5.5.2, 5.4.7, 5.4.5.

Sources