Cisco IOS Software Multiple Features Crafted UDP Packet Vulnerability - Cisco Systems

Several features within Cisco IOS Software are affected by a crafted UDP packet vulnerability. If any of the affected features are enabled, a successful attack will result in a blocked input queue on the inbound interface. Only crafted UDP packets destined for the device could result in the...

Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerability (cisco-sa-20090923-sip)

A vulnerability exists in the Session Initiation Protocol SIP implementation in Cisco IOS Software that could allow an unauthenticated attacker to cause a denial of service DoS condition on an affected device when the Cisco Unified Border Element feature is enabled. Cisco has released free softwa...

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 Crafted Encryption Packet Denial of Service Vulnerability - Cisco Systems

Cisco IOS Software contains a vulnerability that could allow an attacker to cause a Cisco IOS device to reload by remotely sending a crafted encryption packet. Cisco has released free software updates that address this vulnerability. TRUSTED...

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...

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...

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...

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 IOS Software Vulnerability

Cisco has released a security advisory to address a vulnerability affecting IOS Software Release 15.12T. This vulnerability may allow an attacker to cause a denial-of-service condition by sending a specially crafted packet through normal network traffic. US-CERT encourages users and administrator...

Cisco Security Advisory: Hard-Coded SNMP Community Names in Cisco Industrial Ethernet 3000 Series Switches Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Hard-Coded SNMP Community Names in Cisco Industrial Ethernet 3000 Series Switches Vulnerability Advisory ID: cisco-sa-20100707-snmp Revision 1.0 For Public Release 2010 July 07 1600 UTC GMT...

Cisco Security Advisory: Cisco IOS Software IPsec Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Cisco IOS Software IPsec Vulnerability Advisory ID: cisco-sa-20100324-ipsec Revision 1.0 For Public Release 2010 March 24 1600 UTC GMT +--------------------------------------------------------------------- Summary ======= A...

Cisco Security Advisory: Cisco Unified Communications Manager Express Denial of Service Vulnerabilities

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Cisco Unified Communications Manager Express Denial of Service Vulnerabilities Advisory ID: cisco-sa-20100324-cucme Revision 1.0 For Public Release 2010 March 24 1600 UTC GMT...

Cisco Releases Security Advisories for IOS Software

Cisco has released a bundled publication, which contains seven security advisories, to address multiple vulnerabilities in Cisco IOS Software. These vulnerabilities may allow an attacker to execute arbitrary code or cause a denial-of-service condition. US-CERT encourages users and administrators ...

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

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities Advisory ID: cisco-sa-20100324-sip Revision 1.0 For Public Release 2010 March 24 1600 UTC GMT...

Cisco Security Advisory: Cisco IOS Software NAT Skinny Call Control Protocol Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Cisco IOS Software NAT Skinny Call Control Protocol Vulnerability Advisory ID: cisco-sa-20100324-sccp Revision 1.0 For Public Release 2010 March 24 1600 UTC GMT...

Cisco IOS Software Crafted TCP Packet Denial of Service Vulnerability

Cisco IOS® Software is affected by a denial of service vulnerability that may allow a remote unauthenticated attacker to cause an affected device to reload or hang. The vulnerability may be triggered by a TCP segment containing crafted TCP options that is received during the TCP session...

Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities

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. Remote code execution may also be possible. Cisco has released...

Cisco Unified Communications Manager Express Denial of Service Vulnerabilities

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 Network Time Protocol Packet Vulnerability

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 software updates that...