Cisco TelePresence Video Communication Server X8.5.2 Authentication Handler denial of service : 8/20/2015 6:08:44 AM
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Cisco TelePresence Video Communication Server X8.5.2 Authentication Handler denial of service
8/19/2015 7:00:00 PM
General
scipID: 77339
Affected: Cisco TelePresence Video Communication Server X8.5.2
Published: 08/20/2015
Risk: problematic
Created: 08/20/2015
Entry: 66.8% complete
Summary
A vulnerability, which was classified as problematic, has been found in Cisco TelePresence Video Communication Server X8.5.2. This issue affects an unknown function of the component Authentication Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Impacted is availability. The summary by CVE is:
Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 allows remote attackers to cause a denial of service via invalid variables in an authentication packet, aka Bug ID CSCuv40469.
The weakness was shared 08/20/2015 as CSCuv40469 as advisory (Website). The identification of this vulnerability is CVE-2015-4317. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
CVSS
Base Score: 4.3 (CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P) [?]
Temp Score: 4.3 (CVSS2#E:ND/RL:ND/RC:ND) [?]
CPE
Exploiting
Class: Denial of service
Local: No
Remote: Yes
Availability: No
Countermeasures
Recommended: no mitigation known
0-Day Time: 0 days since found
Timeline
08/20/2015 | Advisory disclosed
08/20/2015 | VulDB entry created
08/20/2015 | VulDB entry updated
Sources
Advisory: CSCuv40469
CVE: CVE-2015-4317 (mitre.org) (nvd.nist.org) (cvedetails.com)
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