PT-2012-1784 · Cisco · Cisco Ios

Published 2012-05-02 · Updated 2016-12-07 · CVE-2011-4016

Positive Technologies (AI Summary)

CVSS v2.0

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco IOS versions 12.2, 15.0 through 15.2

Description The issue allows remote attackers to cause a denial of service, resulting in a device crash, via crafted network traffic when Point-to-Point Termination and Aggregation (PTA) and L2TP are used.

Recommendations For Cisco IOS version 12.2, update to a version that is not affected by this issue. For Cisco IOS versions 15.0 through 15.2, update to a version that is not affected by this issue. As a temporary workaround, consider disabling the use of PTA and L2TP until a patch is available.

Fix

RCE

Improper Access Control

Weakness Enumeration

CWE-20

CWE-284

Related Identifiers

CVE-2011-4016

Affected Products

Cisco Ios

References · 3

• http://cisco.com/en/US/docs/ios/15_1/release/notes/151-2TCAVS.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-4016 · Security Note
• http://securitytracker.com/id?1027005 · Note