Vulnerability Monitor

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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).

Published

2019-03-11T21:29:00.967

Last Modified

2024-11-21T04:36:56.223

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 8.6 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco nx-os < 8.3\(1\) Yes
Hardware cisco mds_9000 - No
Operating System cisco nx-os < 7.0\(3\)i7\(4\) Yes
Hardware cisco nexus_3500 - No
Operating System cisco nx-os < 7.0\(3\)i7\(4\) Yes
Hardware cisco nexus_3000 - No
Operating System cisco nx-os < 7.0\(3\)f3\(3c\) Yes
Hardware cisco nexus_3600 - No
Operating System cisco nx-os < 8.2\(3\) Yes
Hardware cisco nexus_7000 - No
Hardware cisco nexus_7700 - No
Operating System cisco nx-os < 7.0\(3\)i7\(4\) Yes
Hardware cisco nexus_9000 - No
Operating System cisco nx-os < 7.0\(3\)f3\(3c\) Yes
Hardware cisco nexus_9500 - No
Operating System cisco nx-os < 8.1\(1b\) Yes
Hardware cisco mds_9000 - No
Operating System cisco nx-os < 6.2\(25\) Yes
Hardware cisco mds_9000 - No
Operating System cisco nx-os < 7.0\(3\)i4\(9\) Yes
Hardware cisco nexus_3000 - No
Operating System cisco nx-os < 6.2\(22\) Yes
Hardware cisco nexus_7000 - No
Hardware cisco nexus_7700 - No
Operating System cisco nx-os < 6.2\(22\) Yes
Hardware cisco nexus_7000 - No
Hardware cisco nexus_7700 - No
Operating System cisco nx-os < 7.0\(3\)i4\(9\) Yes
Hardware cisco nexus_9000 - No
Operating System cisco nx-os < 6.0\(2\)a8\(10\) Yes
Hardware cisco nexus_3500 - No
Operating System cisco nx-os ≤ 6.0\(2\)a8 Yes
Hardware cisco nexus_3500 - No
Operating System cisco nx-os ≤ 7.0\(3\)i4 Yes
Hardware cisco nexus_3000 - No
Operating System cisco nx-os < 4.0\(2a\) Yes
Hardware cisco ucs_6200 - No
Hardware cisco ucs_6300 - No
Hardware cisco ucs_6400 - No
Operating System cisco nx-os < 3.2\(3j\) Yes
Hardware cisco ucs_6200 - No
Hardware cisco ucs_6300 - No
Hardware cisco ucs_6400 - No
References