Cisco IP Phone 7800 and 8800 Series firmware buffer overflow | CVE-2022-20968
NAME
Cisco IP Phone 7800 and 8800 Series firmware buffer overflow
- Platforms Affected:
Cisco IP Phone 7800 Series
Cisco IP Phone 8800 Series - Risk Level:
8.1 - Exploitability:
Unproven - Consequences:
Gain Access
DESCRIPTION
Cisco IP Phone 7800 and 8800 Series firmware are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. By sending a specially crafted Cisco Discovery Protocol packets, a remote attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition on the system.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Access Vector: Adjacent Network
- Access Complexity: Low
- Confidentiality Impact: None
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Refer to Cisco Security Advisory cisco-sa-ipp-oobwrite-8cMF5r7U for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipp-oobwrite-8cMF5r7U - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20968
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