CVE-2017-3879: Buffer Overflow
First published: Fri Mar 17 2017(Updated: )
A Denial of Service vulnerability in the remote login functionality for Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause a process used for login to terminate unexpectedly and the login attempt to fail. There is no impact to user traffic flowing through the device. The attacker could use either a Telnet or an SSH client for the remote login attempt. Affected Products: This vulnerability affects Cisco Nexus 9000 Series Switches that are running Cisco NX-OS Software and are configured to allow remote Telnet connections to the device. More Information: CSCuy25824. Known Affected Releases: 7.0(3)I3(1) 8.3(0)CV(0.342) 8.3(0)CV(0.345). Known Fixed Releases: 8.3(0)CV(0.362) 8.0(1) 7.0(3)IED5(0.19) 7.0(3)IED5(0) 7.0(3)I4(1) 7.0(3)I4(0.8) 7.0(3)I2(2e) 7.0(3)F1(1.22) 7.0(3)F1(1) 7.0(3)F1(0.230).
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco NX-OS | =7.0\(3\)i3\(0.170\) | |
| Cisco NX-OS | =8.3\(0\)cv\(0.342\) | |
| Cisco NX-OS | =8.3\(0\)cv\(0.345\) | |
| Cisco Nexus 92160YC-X Firmware | ||
| Cisco Nexus 92300YC Firmware | ||
| Cisco Nexus 92304qc | ||
| Cisco Nexus 9236c | ||
| Cisco Nexus 9272Q Switch | ||
| Cisco Nexus 93108TC-EX-24 | ||
| Cisco Nexus 93120TX | ||
| Cisco Nexus 93128tx | ||
| Cisco Nexus 9000 Series Switch | ||
| Cisco Nexus 93180YC-EX-24 | ||
| Cisco Nexus 9332pq | ||
| Cisco Nexus 9336PQ | ||
| Cisco Nexus 9372PX-E | ||
| Cisco Nexus 9372px | ||
| Cisco Nexus 9372TX-E | ||
| Cisco Nexus 9372TX | ||
| Cisco Nexus 9396PX Switch | ||
| Cisco Nexus 9396TX | ||
| Cisco Nexus 9508 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-3879?
CVE-2017-3879 is classified as a Denial of Service vulnerability.
How do I fix CVE-2017-3879?
To fix CVE-2017-3879, update your Cisco NX-OS Software to a patched version.
Which devices are affected by CVE-2017-3879?
Devices running affected versions of Cisco NX-OS Software, specifically Cisco Nexus 9000 Series Switches, are at risk.
Can CVE-2017-3879 be exploited remotely?
Yes, CVE-2017-3879 can be exploited by unauthenticated remote attackers.
What impact does CVE-2017-3879 have on Cisco NX-OS Software?
CVE-2017-3879 can cause the login process to terminate unexpectedly, resulting in failed login attempts.
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- agent/weakness
- agent/severity
- agent/author
- agent/description
- agent/references
- agent/event
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco nx-os
- version/cisco nx-os/7.0\(3\)i3\(0.170\)
- version/cisco nx-os/8.3\(0\)cv\(0.342\)
- version/cisco nx-os/8.3\(0\)cv\(0.345\)
- canonical/cisco nexus 92160yc-x firmware
- canonical/cisco nexus 92300yc firmware
- canonical/cisco nexus 92304qc
- canonical/cisco nexus 9236c
- canonical/cisco nexus 9272q switch
- canonical/cisco nexus 93108tc-ex-24
- canonical/cisco nexus 93120tx
- canonical/cisco nexus 93128tx
- canonical/cisco nexus 9000 series switch
- canonical/cisco nexus 93180yc-ex-24
- canonical/cisco nexus 9332pq
- canonical/cisco nexus 9336pq
- canonical/cisco nexus 9372px-e
- canonical/cisco nexus 9372px
- canonical/cisco nexus 9372tx-e
- canonical/cisco nexus 9372tx
- canonical/cisco nexus 9396px switch
- canonical/cisco nexus 9396tx
- canonical/cisco nexus 9508