Improper input validation in Cisco Ip Phone 8800 Series Firmware
CVE-2017-12328
A vulnerability in Session Initiation Protocol (SIP) call handling in Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition because the SIP process unexpectedly restarts. All active phone calls are dropped as the SIP process restarts. The vulnerability is due to incomplete input validation of the SIP packet header. An attacker could exploit this vulnerability by sending a malformed SIP packet to a targeted phone. An exploit could allow the attacker to cause a DoS condition because all phone calls are dropped when the SIP process unexpectedly restarts. Cisco Bug IDs: CSCvc62590.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.021 (81.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.021 · change: +0.001
Affected products
- Cisco Ip Phone 8800 Series Firmware — versions 11.0\(0.1\), 11.0(0.1)
- Cisco Ip Phone 8800 Series — versions Cisco IP Phone 8800 Series
Weakness classification (CWE)
References
- www.securitytracker.com/id/1039922 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129… (Vendor Advisory)
- www.securityfocus.com/bid/102003 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-12328?
- CVE-2017-12328 is a medium-severity vulnerability in Cisco Ip Phone 8800 Series Firmware, classified under Improper Input Validation. CVSS score: 5.8/10. Published 2017-11-30.
- How severe is CVE-2017-12328?
- Medium severity. CVSS v3 base score is 5.8 out of 10.