PT-2016-1616 · Cisco · Cisco Ios Xe+2

Published 2016-03-23 · Updated 2017-05-12 · CVE-2016-1350

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Cisco IOS versions 15.3 and 15.4 Cisco IOS XE versions 3.8 through 3.11 Cisco Unified Communications Manager (affected versions not specified)

Description The issue is related to improper processing of malformed SIP messages, which could allow an unauthenticated, remote attacker to cause a memory leak and eventual reload of an affected device. The vulnerability is due to errors in resource management. An attacker could exploit this vulnerability by sending malformed SIP messages to be processed by an affected device.

Recommendations For Cisco IOS versions 15.3 and 15.4, update to a newer version that addresses this vulnerability. For Cisco IOS XE versions 3.8 through 3.11, update to a newer version that addresses this vulnerability. For Cisco Unified Communications Manager, update to a newer version that addresses this vulnerability. As a temporary workaround, consider disabling SIP on the vulnerable device until a patch is available.

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

BDU:2016-00917

CVE-2016-1350

Affected Products

Cisco Ios

Cisco Ios Xe

Cisco Unified Communications Manager

References · 7

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160323-sip · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-1350 · Security Note
• https://osv.dev/vulnerability/CVE-2016-1350 · Vendor Advisory
• https://bdu.fstec.ru/vul/2016-00917 · Security Note
• http://securitytracker.com/id/1035420 · Note
• http://securitytracker.com/id/1035421 · Note
• http://securityfocus.com/bid/85372 · Note