#VU16 Denial of service


Published: 2016-06-21 | Updated: 2016-10-05

Vulnerability identifier: #VU16

Vulnerability risk: Medium

CVSSv3.1: 7.9 [AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2015-6289

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to an error when handling invalid TCP packets. A remote unauthenticated attacker can send multiple TCP packets to affected device and cause it to use all available memory resources.

Successful exploitation of this vulnerability will result in denial of service.

Note: this vulnerability was originally reported in OpenSSH service, however it affects other services as well.

Mitigation

Cybersecurity Help is not aware of any official solution to address this vulnerability.

External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160620-isr


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.


Latest bulletins with this vulnerability