CVE-2019-1615 — MEDIUM (6.7)

Vulnerability Description

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability is due to improper verification of digital signatures for software images. An attacker could exploit this vulnerability by loading an unsigned software image on an affected device. A successful exploit could allow the attacker to boot a malicious software image. Note: The fix for this vulnerability requires a BIOS upgrade as part of the software upgrade. For additional information, see the Details section of this advisory. Nexus 3000 Series Switches are affected running software versions prior to 7.0(3)I7(5). Nexus 9000 Series Fabric Switches in ACI Mode are affected running software versions prior to 13.2(1l). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected running software versions prior to 7.0(3)I7(5). Nexus 9500 R-Series Line Cards and Fabric Modules are affected running software versions prior to 7.0(3)F3(5).

CVSS Score

6.7

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Nx-Os	7.0\(3\)i7\(3\)
Cisco	9432Pq	-
Cisco	9536Pq	-
Cisco	9636Pq	-
Cisco	9736Pq	-
Cisco	N9K-X9432C-S	-
Cisco	N9K-X9464Px	-
Cisco	N9K-X9464Tx2	-
Cisco	N9K-X9564Px	-
Cisco	N9K-X9564Tx	-
Cisco	N9K-X9636C-R	-
Cisco	N9K-X9636C-Rx	-
Cisco	N9K-X97160Yc-Ex	-
Cisco	N9K-X9732C-Ex	-
Cisco	N9K-X9732C-Fx	-
Cisco	N9K-X9736C-Ex	-
Cisco	N9K-X9736C-Fx	-
Cisco	N9K-X9788Tc-Fx	-
Cisco	Nexus 92160Yc-X	-
Cisco	Nexus 92300Yc	-

Related Weaknesses (CWE)

CWE-347

References

http://www.securityfocus.com/bid/107397Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
http://www.securityfocus.com/bid/107397Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory

FAQ

What is CVE-2019-1615?

CVE-2019-1615 is a vulnerability with a CVSS score of 6.7 (MEDIUM). A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software im...

How severe is CVE-2019-1615?

CVE-2019-1615 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-1615?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Nx-Os, Cisco 9432Pq, Cisco 9536Pq, Cisco 9636Pq, Cisco 9736Pq.