Cisco Releases Multiple Security Advisories

Cisco has released nine security advisories to address multiple vulnerabilities affecting Cisco IOS software. These vulnerabilities may allow an attacker to execute arbitrary code, operate at elevated privileges, or cause a denial-of-service condition. US-CERT encourages users and administrators ...

Cisco IOS SSL VPN Vulnerability (cisco-sa-20100922-sslvpn)

Cisco IOS Software contains a vulnerability when the Cisco IOS SSL VPN feature is configured with an HTTP redirect. Exploitation could allow a remote, unauthenticated user to cause a memory leak on the affected devices, that could result in a memory exhaustion condition that may cause device...

Cisco Security Advisory: Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities Advisory ID: cisco-sa-20110928-sip Revision 1.0 For Public Release 2011 September 28 1600 UTC GMT...

Cisco Security Advisory: Cisco IOS Software Smart Install Remote Code Execution Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Cisco IOS Software Smart Install Remote Code Execution Vulnerability Advisory ID: cisco-sa-20110928-smart-install Revision 1.0 For Public Release 2011 September 28 1600 UTC GMT...

Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities

Multiple vulnerabilities exist in the Session Initiation Protocol SIP implementation in Cisco IOS Software and Cisco IOS XE Software that could allow an unauthenticated, remote attacker to cause a reload of an affected device or trigger memory leaks that may result in system instabilities. Affect...

Cisco IOS Software Data-Link Switching Vulnerability

Cisco IOS Software contains a memory leak vulnerability in the Data-Link Switching DLSw feature that could result in a device reload when processing crafted IP Protocol 91 packets. Cisco has released software updates that address this vulnerability. This advisory is posted at...

Cisco Security Advisory: Cisco Content Services Gateway Denial of Service Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Cisco Content Services Gateway Denial of Service Vulnerability Advisory ID: cisco-sa-20110706-csg Revision 1.0 For Public Release 2011 July 06 1600 UTC GMT +-------------------------------------------------------------------...

Cisco IOS Software Version Detection (ssh)

Get Cisco IOS Software Version via SSH. This VT has been deprecated and replaced by the VT SPDX-FileCopyrightText: 2011 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only...

Cisco Security Advisory: Multiple Vulnerabilities in Cisco AnyConnect Secure Mobility Client

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Multiple Vulnerabilities in Cisco AnyConnect Secure Mobility Client Advisory ID: cisco-sa-20110601-ac Revision 1.0 For Public Release 2011 June 01 1600 UTC GMT...

Cisco Security Advisory: Cisco Content Services Gateway Vulnerabilities

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Cisco Content Services Gateway Vulnerabilities Advisory ID: cisco-sa-20110126-csg2 http://www.cisco.com/warp/public/707/cisco-sa-20110126-csg2.shtml Revision 1.0 For Public Release 2011 January 26 1600 UTC GMT...

Key Combos Bust iPhone Password Protection

A flaw in the iOS software that runs Apple’s iPhone allows any user to bypass the password entry screen by manipulating the emergency call feature, essentially rendering iPhone passwords useless. The flaw, first disclosed in a discussion on the forums site macrumors.com on October 22, requires...

Cisco Security Advisory: Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerabilities

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerabilities Advisory ID: cisco-sa-20100922-cucmsip http://www.cisco.com/warp/public/707/cisco-sa-20100922-cucmsip.shtml Revision 1.0 For Public Release 2010 Septemb...

Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities (cisco-sa-20100922-sip)

Multiple vulnerabilities exist in the Session Initiation Protocol SIP implementation in Cisco IOS Software that could allow an unauthenticated, remote attacker to cause a reload of an affected device when SIP operation is enabled. Cisco has released free software updates that address these...

Multiple Crafted IPv6 Packets Cause Reload

Cisco Internetwork Operating System IOS Software is vulnerable to a Denial of Service DoS attack from crafted IPv6 packets when the device has been configured to process IPv6 traffic. This vulnerability requires multiple crafted packets to be sent to the device which may result in a reload upon...

Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router - Cisco Systems

Six vulnerabilities involving Access Control List ACL has been discovered in multiple releases of Cisco IOS Software Release for Cisco 12000 Series Internet Routers. Not all vulnerabilities are present in all IOS releases and only line cards based on the Engine 2 are affected by them. No other...

Cisco IOS Software Network Time Protocol Packet Vulnerability - Cisco Systems

Cisco IOS Software with support for Network Time Protocol NTP version v4 contains a vulnerability processing specific NTP packets that will result in a reload of the device. This results in a remote denial of service DoS condition on the affected device. Cisco has released free software updates...

Cisco Unified Communications Manager Express Denial of Service Vulnerabilities (cisco-sa-20100324-cucme)

Devices running Cisco IOS Software and configured for Cisco Unified Communications Manager Express CME or Cisco Unified Survivable Remote Site Telephony SRST operation are affected by two denial of service vulnerabilities that may result in a device reload if successfully exploited. The...

Cisco IOS Software H.323 Denial of Service Vulnerability - Cisco Systems

The H.323 implementation in Cisco IOS Software contains a vulnerability that can be exploited remotely to cause a device that is running Cisco IOS Software to reload. Cisco has released free software updates that address this vulnerability. There are no workarounds to mitigate the vulnerability...

Cable Modem Termination System Authentication Bypass - Cisco Systems

Two issues are described in this security advisory. The first issue involves cable modems not manufactured by Cisco that allow a configuration file to be downloaded from an interface that is not connected to the network of the cable modem's service provider. This historical behavior allows an...

Cisco CHAP Authentication Vulnerabilities - Cisco Systems

A serious security vulnerability bug ID CSCdi91594 exists in PPP CHAP authentication in all "classic" Cisco IOS software versions the software used on Cisco non-switch products with product numbers greater than or equal to 1000, on the AGS/AGS+/CGS/MGS, and on the CS-500, but not on Catalyst...