Denial of service in Polycom, Polycom HDX 7000 Series



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
Polycom HDX 7000 Series
Hardware solutions / Firmware

Vendor Polycom, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Denial of service

EUVDB-ID: #VU480

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote user to cause a denial of service conditions on the target system.
The weakness exists due to resource error. Attackers can use a specially crafted XML document type definition (DTD) to cause recursive definition parsing in the XML parser ans cease web traffic handling.
Successful exploitation of the vulnerability leads to denial of service on the vulnerable system.

Mitigation

Update to 3.1.10.

Vulnerable software versions

Polycom HDX 7000 Series: 3.1.7-48092

CPE2.3 External links

https://support.polycom.com/global/documents/support/documentation/security_advisory_xml_external_ent...


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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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