Cisco NX-OS up to 7.3(0)zn(0.83) on 1000V/2000/3000/9000 ARP memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco NX-OS on 1000V/2000/3000/9000 and classified as problematic. Impacted is an unknown function of the component ARP Handler. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2015-4323. The attack needs to be done within the local network. There is no exploit available.

Detailsinfo

A vulnerability has been found in Cisco NX-OS on 1000V/2000/3000/9000 (Router Operating System) and classified as problematic. Affected by this vulnerability is an unknown part of the component ARP Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability.

The weakness was shared 08/14/2015 as 40469 as confirmed vulnerability alert (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2015-4323 since 06/04/2015. The exploitation appears to be easy. The attack needs to be done within the local network. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 43459 (Cisco NX-OS Address Resolution Protocol Denial of Service Vulnerability (Cisco-SA-20150814-CVE-2015-4323)).

Proper firewalling of ARP is able to address this issue.

The vulnerability is also documented in the databases at X-Force (105647), SecurityFocus (BID 76367†) and Vulnerability Center (SBV-53251†). The entry VDB-77271 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103402
OpenVAS Name: Cisco Nexus Operating System Address Resolution Protocol Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

06/04/2015 🔍
08/14/2015 +71 days 🔍
08/14/2015 +0 days 🔍
08/18/2015 +4 days 🔍
08/19/2015 +1 days 🔍
10/06/2015 +48 days 🔍
06/12/2022 +2441 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: 40469
Status: Confirmed

CVE: CVE-2015-4323 (🔍)
GCVE (CVE): GCVE-0-2015-4323
GCVE (VulDB): GCVE-100-77269
X-Force: 105647 - Cisco Nexus Operating System ARP denial of service
SecurityFocus: 76367
SecurityTracker: 1033321
Vulnerability Center: 53251 - Cisco NX-OS on Nexus Devices Remote DoS Vulnerability in Address Resolution Protocol (ARP) Input Packet Processing, Medium

See also: 🔍

Entryinfo

Created: 08/18/2015 18:14
Updated: 06/12/2022 14:10
Changes: 08/18/2015 18:14 (57), 05/04/2019 19:16 (10), 06/12/2022 14:10 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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