CVE-2019-1615: Cisco NX-OS Software Image Signature Verification Vulnerability
First published: Wed Mar 06 2019(Updated: )
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).
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Nx-os | =7.0\(3\)i7\(3\) | |
| Cisco Nx-os | =9.2\(1\) | |
| Cisco Nx-os | =12.3\(0.97\) | |
| 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 | ||
| Cisco Nexus 92304qc | ||
| Cisco Nexus 9236c | ||
| Cisco Nexus 9272q | ||
| Cisco Nexus 93108tc-ex | ||
| Cisco Nexus 93108tc-fx | ||
| Cisco Nexus 93120tx | ||
| Cisco Nexus 9316d-gx | ||
| Cisco Nexus 93180lc-ex | ||
| Cisco Nexus 93180yc-ex | ||
| Cisco Nexus 93180yc-fx | ||
| Cisco Nexus 93240yc-fx2 | ||
| Cisco Nexus 9332c | ||
| Cisco Nexus 9336c-fx2 | ||
| Cisco Nexus 9348gc-fxp | ||
| Cisco Nexus 93600cd-gx | ||
| Cisco Nexus 9364c | ||
| Cisco Nexus 9504 | ||
| Cisco Nexus 9508 | ||
| Cisco Nexus 9516 | ||
| Cisco X9636q-r | ||
| Cisco Nx-os | =7.0\(3\)i7\(5\) | |
| Cisco N3k-c31128pq-10ge | ||
| Cisco N3k-c3132c-z | ||
| Cisco N3k-c3164q-40ge | ||
| Cisco N3k-c3264q |
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Reference Links
Frequently Asked Questions
What is CVE-2019-1615?
CVE-2019-1615 is a vulnerability in the Image Signature Verification feature of Cisco NX-OS Software.
What is the severity of CVE-2019-1615?
CVE-2019-1615 has a severity rating of 6.7, which is considered medium.
How does CVE-2019-1615 affect Cisco NX-OS Software?
CVE-2019-1615 allows an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device.
What is the cause of CVE-2019-1615?
CVE-2019-1615 is caused by improper verification of digital signatures in the Image Signature Verification feature of Cisco NX-OS Software.
How can I fix CVE-2019-1615?
To fix CVE-2019-1615, Cisco has released a security advisory with instructions on how to address the vulnerability.
- collector/nvd-index
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/severity
- agent/author
- agent/last-modified-date
- agent/title
- agent/first-publish-date
- agent/tags
- agent/description
- agent/event
- vendor/cisco
- canonical/cisco nx-os
- version/cisco nx-os/7.0\(3\)i7\(3\)
- version/cisco nx-os/9.2\(1\)
- version/cisco nx-os/12.3\(0.97\)
- canonical/cisco 9432pq
- canonical/cisco 9536pq
- canonical/cisco 9636pq
- canonical/cisco 9736pq
- canonical/cisco n9k-x9432c-s
- canonical/cisco n9k-x9464px
- canonical/cisco n9k-x9464tx2
- canonical/cisco n9k-x9564px
- canonical/cisco n9k-x9564tx
- canonical/cisco n9k-x9636c-r
- canonical/cisco n9k-x9636c-rx
- canonical/cisco n9k-x97160yc-ex
- canonical/cisco n9k-x9732c-ex
- canonical/cisco n9k-x9732c-fx
- canonical/cisco n9k-x9736c-ex
- canonical/cisco n9k-x9736c-fx
- canonical/cisco n9k-x9788tc-fx
- canonical/cisco nexus 92160yc-x
- canonical/cisco nexus 92300yc
- canonical/cisco nexus 92304qc
- canonical/cisco nexus 9236c
- canonical/cisco nexus 9272q
- canonical/cisco nexus 93108tc-ex
- canonical/cisco nexus 93108tc-fx
- canonical/cisco nexus 93120tx
- canonical/cisco nexus 9316d-gx
- canonical/cisco nexus 93180lc-ex
- canonical/cisco nexus 93180yc-ex
- canonical/cisco nexus 93180yc-fx
- canonical/cisco nexus 93240yc-fx2
- canonical/cisco nexus 9332c
- canonical/cisco nexus 9336c-fx2
- canonical/cisco nexus 9348gc-fxp
- canonical/cisco nexus 93600cd-gx
- canonical/cisco nexus 9364c
- canonical/cisco nexus 9504
- canonical/cisco nexus 9508
- canonical/cisco nexus 9516
- canonical/cisco x9636q-r
- version/cisco nx-os/7.0\(3\)i7\(5\)
- canonical/cisco n3k-c31128pq-10ge
- canonical/cisco n3k-c3132c-z
- canonical/cisco n3k-c3164q-40ge
- canonical/cisco n3k-c3264q