Denial of service in Cisco IP Phones
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-0316 |
| CWE-ID | CWE-388 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Cisco 8800 Series IP Phones Hardware solutions / Office equipment, IP-phones, print servers Cisco 7800 Series IP Phones Hardware solutions / Office equipment, IP-phones, print servers Cisco 6800 Series IP Phones Hardware solutions / Office equipment, IP-phones, print servers |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Error handling
EUVDB-ID: #VU13225
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-0316
CWE-ID:
CWE-388 - Error Handling
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in the Session Initiation Protocol (SIP) call-handling functionality of Cisco IP Phone 6800, 7800, and 8800 Series Phones with Multiplatform Firmware due to improper handling of errors that could occur when an incoming phone call is not answered. A remote attacker can send a set of maliciously crafted SIP packets and cause the affected phone to reload unexpectedly.
MitigationUpdate to version 11.1(2).
Vulnerable software versionsCisco 8800 Series IP Phones: before 11.1.2
Cisco 7800 Series IP Phones: before 11.1.2
Cisco 6800 Series IP Phones: before 11.1.2
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
