cisco-sa-ipphone-arbfileread-NPdtE2Ow: Cisco IP Phone Software Arbitrary File Read Vulnerability

Published Oct 6, 2021
·
Updated

A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by providing crafted input to a debug shell command. A successful exploit could allow the attacker to read any file on the device file system. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipphone-arbfileread-NPdtE2Ow

Credit

Jay Lv(Ant Group TianQiong Security Lab)

Affected Software

2 affected componentsFixes available
cisco SIP IP Phone Software>=Earlier than Release 14.0, <=14.0, <14.0(1)SR2
14.0(1)SR2
cisco SIP IP Phone Software>=Earlier than Release 11.0, <=11.0, <11.0(6)Sr2
11.0(6)Sr2

Event History

Oct 6, 2021
Advisory Published
via Cisco·04:00 PM

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID for this Cisco IP Phone software vulnerability?

The vulnerability ID for this Cisco IP Phone software vulnerability is cisco-sa-ipphone-arbfileread-NPdtE2Ow.

2

What is the severity level of the Cisco IP Phone software vulnerability?

The severity level of the Cisco IP Phone software vulnerability is medium.

3

How does this Cisco IP Phone software vulnerability occur?

This vulnerability occurs due to insufficient input validation in the debug shell of Cisco IP Phone software.

4

Which versions of the Cisco SIP IP Phone Software are affected by this vulnerability?

The versions earlier than Release 14.0 up to 14.0(1)SR2 and earlier than Release 11.0 up to 11.0(6)Sr2 are affected by this vulnerability.

5

How can an attacker exploit this vulnerability?

An attacker can exploit this vulnerability by providing crafted input to a debug shell.

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