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Cisco Headend System Releases Denial of Service Vulnerability

Cisco-SA-20150629-CVE-2015-4227 · Medium · Published · Updated

A vulnerability in Cisco Headend System Releases could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to the software's inability to recover memory after certain usage situations. An attacker could exploit this vulnerability by exploiting memory usage, resulting in a DoS condition.  Cisco has confirmed the vulnerability; however, software updates are not available. To exploit this vulnerability, an attacker may need access to trusted, internal networks to send crafted content to the affected device. This access requirement may reduce the likelihood of a successful exploit. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.

Cisco advisory · CSAF JSON

Workarounds

Administrators are advised to contact the vendor regarding future updates and releases.

Administrators are advised to allow only trusted users to have network access.

Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.

Administrators are advised to monitor affected systems.

CVEsCVE-2015-4227
Cisco Bug IDsCSCus91838
CVSS ScoreBase 5.0
Base 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P/E:F/RL:U/RC:C
Product Names From Source
Cisco Headend System Releases, Headend System Releases

Related Products

Product CVE Evidence
Headend System Releases CVE-2015-4227 Cisco OpenVuln
Cisco Headend System Releases CVE-2015-4227 Cisco OpenVuln