CVE-2015-4323: Buffer Overflow

Published Aug 19, 2015
·
Updated

Buffer overflow in Cisco NX-OS on Nexus 1000V devices for VMware vSphere 7.3(0)ZN(0.9); Nexus 3000 devices 6.0(2)U5(1.41), 7.0(3)I2(0.373), and 7.3(0)ZN(0.83); Nexus 4000 devices 4.1(2)E1(1b); Nexus 7000 devices 6.2(14)S1; Nexus 9000 devices 7.3(0)ZN(0.9); and MDS 9000 devices 6.2 (13) and 7.1(0)ZN(91.99) and MDS SAN-OS 7.1(0)ZN(91.99) allows remote attackers to cause a denial of service (device outage) via a crafted ARP packet, related to incorrect MTU validation, aka Bug IDs CSCuv71933, CSCuv61341, CSCuv61321, CSCuu78074, CSCut37060, CSCuv61266, CSCuv61351, CSCuv61358, and CSCuv61366.

Affected Software

34 affected components
Cisco NX-OS=6.2\(14\)s1
Cisco Nexus 7000
Cisco Nexus 7700
Cisco NX-OS=6.0\(2\)u5\(1.41\)
Cisco NX-OS=7.0\(3\)i2\(0.373\)
Cisco NX-OS=7.3\(0\)zn\(0.83\)
Cisco Nexus 3016
Cisco Nexus 3048
Cisco Nexus 3064
Cisco Nexus 31128pq
Cisco Nexus 3132q
Cisco Nexus 3164q
Cisco Nexus 3172
Cisco Nexus 3232c
Cisco Nexus 3264q
Cisco Nexus 3524
Cisco Nexus 3548
Cisco NX-OS=7.3\(0\)zn\(0.9\)
Cisco Nexus 93120tx
Cisco Nexus 93128tx
Cisco Nexus 9332pq
Cisco Nexus 9336pq Aci Spine
Cisco Nexus 9372px
Cisco Nexus 9372tx
Cisco Nexus 9396px
Cisco Nexus 9396tx
Cisco Nexus 9504
Cisco Nexus 9508
Cisco Nexus 9516
Cisco Mds 9000 Nx-os=6.2\(13\)
Cisco Mds 9000 Nx-os=7.1\(0\)zn\(91.99\)
Cisco Nexus 1000v
Cisco NX-OS=4.1\(2\)e1\(1b\)
Cisco Nexus 4001i

Event History

Aug 19, 2015
CVE Published
via MITRE·11:00 PM
Data Sourced
via MITRE·11:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2015-4323?

CVE-2015-4323 is rated as high severity due to the potential for remote code execution through a buffer overflow.

2

How do I fix CVE-2015-4323?

To fix CVE-2015-4323, you should upgrade to the latest version of Cisco NX-OS that addresses this vulnerability.

3

What devices are affected by CVE-2015-4323?

CVE-2015-4323 affects Cisco NX-OS on various Nexus series devices including Nexus 1000V, 3000, 4000, 7000, and 9000.

4

What versions of Cisco NX-OS are vulnerable in CVE-2015-4323?

The vulnerable versions include Cisco NX-OS 6.0(2)U5(1.41), 7.0(3)I2(0.373), and 7.3(0)ZN(0.83), among others.

5

Can CVE-2015-4323 be exploited remotely?

Yes, CVE-2015-4323 can be exploited remotely, allowing attackers to execute arbitrary code on affected devices.

Contact

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