Information disclosure in Polycom UCS-Based Products



Published: 2017-09-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-12857
CWE-ID CWE-126
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
RealPresence Trio
Hardware solutions / Firmware

VVX
Hardware solutions / Firmware

SoundStation IP
Hardware solutions / Firmware

Vendor Polycom, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Buffer over-read

EUVDB-ID: #VU8242

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12857

CWE-ID: CWE-126 - Buffer over-read

Exploit availability: No

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.

Mitigation

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

Vulnerable software versions

RealPresence Trio: All versions

VVX: All versions

SoundStation IP: All versions

External links

http://support.polycom.com/content/dam/polycom-support/global/documentation/securityadvisory-informa...


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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