Buffer overflow in Cisco Unified Communications Manager
CVE-2017-3808
A vulnerability in the Session Initiation Protocol (SIP) UDP throttling process of Cisco Unified Communications Manager (Cisco Unified CM) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient rate limiting protection. An attacker could exploit this vulnerability by sending the affected device a high rate of SIP messages. An exploit could allow the attacker to cause the device to reload unexpectedly. The device and services will restart automatically. This vulnerability affects Cisco Unified Communications Manager (CallManager) releases prior to the first fixed release; the following list indicates the first minor release that includes the fix for this vulnerability: 10.5.2.14900-16 11.0.1.23900-5 11.5.1.12900-2. Cisco Bug IDs: CSCuz72455.
Vulnerability class: Buffer Overflow
EPSS: 0.025 (83.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Cisco Unified_communications_manager — versions 11.5\(1.12000.1\), 11.5(1.11007.2), 11.5(1.12000.1)
- N/a Cisco Unified Communications Manager — versions Cisco Unified Communications Manager
Weakness classification (CWE)
References
- psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-3808?
- CVE-2017-3808 is a high-severity vulnerability in Cisco Unified Communications Manager, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-04-20.
- How severe is CVE-2017-3808?
- High severity. CVSS v3 base score is 7.5 out of 10.