Buffer overflow in Cisco Mds 9000
CVE-2019-1616
A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a buffer overflow, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow, resulting in process crashes and a DoS condition on the device. MDS 9000 Series Multilayer Switches are affected running software versions prior to 6.2(25), 8.1(1b), 8.3(1). Nexus 3000 Series Switches are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 3500 Platform Switches are affected running software versions prior to 6.0(2)A8(10) and 7.0(3)I7(4). Nexus 3600 Platform Switches are affected running software versions prior to 7.0(3)F3(5) Nexus 7000 and 7700 Series Switches are affected running software versions prior to 6.2(22) and 8.2(3). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected running software versions prior to 7.0(3)F3(5). UCS 6200, 6300, and 6400 Fabric Interconnects are affected running software versions prior to 3.2(3j) and 4.0(2a).
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.024 (83.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco Mds_9000
- Cisco Mds 9000 Series Multilayer Switches — versions unspecified, unspecified, unspecified
- Cisco Nexus_3000
- Cisco Nexus 3000 Series Switches — versions unspecified, unspecified
- Cisco Nexus_3500
- Cisco Nexus 3500 Platform Switches — versions unspecified, unspecified
- Cisco Nexus_3600
- Cisco Nexus 3600 Platform Switches — versions unspecified
- Cisco Nexus_7000
- Cisco Nexus 7000 And 7700 Series Switches — versions unspecified, unspecified
Weakness classification (CWE)
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1616?
- CVE-2019-1616 is a high-severity vulnerability in Cisco Mds 9000, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2019-03-11.
- How severe is CVE-2019-1616?
- High severity. CVSS v3 base score is 8.6 out of 10.