Cisco Releases Security Update

Cisco has released a security update to address a vulnerability in its IOS XR Software for ASR 9001 Aggregation Services Routers. Exploitation of this vulnerability could allow an remote attacker to cause a denial-of-service condition. US-CERT encourages users and administrators to review the Cis...

Cisco IPv6 Denial of Service Vulnerability

Cisco has identified a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service condition. The vulnerability is due to improper processing of malformed IPv6 packets carrying extension headers. Cisco Network Convergence System 6000 NCS 6000 and Cisco Carrier...

Cisco IOS XR Software NetFlow Processing Denial of Service Vulnerability

A vulnerability in NetFlow processing in Cisco IOS XR Software for ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause a lockup and eventual reload of a Network Processor NP chip and a line card processing traffic. The vulnerability is due to...

Cisco Issues Four Security Advisories

Cisco issued four, moderate-severity security notices over the weekend, informing users of vulnerabilities in the company’s Adaptive Security Appliance and IOS XR software, its unified computing system, and wireless LAN controllers. Cisco warned of a vulnerability CVE-2013-3470, affecting the...

Cisco IOS XR Software SNMP拒绝服务漏洞

BUGTRAQ ID: 60153 CVECAN ID: CVE-2013-1204 Cisco IOS是多数思科系统路由器和网络交换机上使用的互联网络操作系统。 Cisco IOS XR在SNMP进程中存在安全漏洞，可使未经身份验证的远程攻击者重新加载受影响进程并泄露部分内存信息。此漏洞源于没有释放已经分配的内存。攻击者通过发送大量的UDP报文到SNMP端口162上可触发此漏洞。 0 Cisco IOS XR 厂商补丁： Cisco ----- Cisco已经为此发布了一个安全公告（CVE-2013-1204）以及相应补丁: CVE-2013-1204：Cisco IOS XR...

Cisco Security Advisory: Cisco IOS XR Software Route Processor Denial of Service Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco IOS XR Software Route Processor Denial of Service Vulnerability Advisory ID: cisco-sa-20120530-iosxr Revision 1.0 For Public Release 2012 May 30 16:00 UTC GMT +--------------------------------------------------------------------- Summary =====...

Cisco Security Advisory: Cisco IOS XR Software IP Packet Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Cisco IOS XR Software IP Packet Vulnerability Advisory ID: cisco-sa-20110525-iosxr Revision 1.0 For Public Release 2011 May 25 1600 UTC GMT +--------------------------------------------------------- Summary ======= Cisco IOS...

Cisco Security Advisory: Cisco IOS XR Software SSHv1 Denial of Service Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Cisco IOS XR Software SSHv1 Denial of Service Vulnerability Advisory ID: cisco-sa-20110525-iosxr-ssh Revision 1.0 For Public Release 2011 May 25 1600 UTC GMT...

Cisco Releases Security Advisory for IOS XR Software Border Gateway Protocol

Cisco has released a security advisory to address a vulnerability in the Cisco IOS XR Software Border Gateway Protocol feature. Exploitation of this vulnerability may result in the continuous resetting of BGP peering sessions, which may cause a denial-of-service condition for affected networks...

Cisco Security Advisory: Cisco IOS XR Software Border Gateway Protocol Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Cisco IOS XR Software Border Gateway Protocol Vulnerability Advisory ID: cisco-sa-20100827-bgp Revision 1.0 For Public Release 2010 August 27 2200 UTC GMT +---------------------------------------------------------------------...

Cisco Security Advisory: Cisco IOS XR Software SSH Denial of Service Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Cisco IOS XR Software SSH Denial of Service Vulnerability Advisory ID: cisco-sa-20100120-xr-ssh Revision 1.0 For Public Release 2010 January 20 1600 UTC GMT +--------------------------------------------------------------------...