Cisco Small Business Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2017-12259)

high Tenable OT Security Plugin ID 502754

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability in the implementation of Session Initiation Protocol (SIP) functionality in Cisco Small Business SPA51x Series IP Phones could allow an unauthenticated, remote attacker to cause an affected device to become unresponsive, resulting in a denial of service (DoS) condition. The vulnerability is due to the improper handling of SIP request messages by an affected device. An attacker could exploit this vulnerability by sending malformed SIP messages to an affected device.
A successful exploit could allow the attacker to cause the affected device to become unresponsive, resulting in a DoS condition that persists until the device is restarted manually. This vulnerability affects Cisco Small Business SPA51x Series IP Phones that are running Cisco SPA51x Firmware Release 7.6.2SR1 or earlier. Cisco Bug IDs:
CSCvc63982.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

http://www.securityfocus.com/bid/101488

http://www.securitytracker.com/id/1039615

http://www.nessus.org/u?ebc05277

Plugin Details

Severity: High

ID: 502754

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 12/4/2024

Updated: 12/5/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2017-12259

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:small_business_ip_phone_firmware::sr1

Required KB Items: Tenable.ot/Cisco

Exploit Ease: No known exploits are available

Patch Publication Date: 10/19/2017

Vulnerability Publication Date: 10/19/2017

Reference Information

CVE: CVE-2017-12259

CWE: 119