486 matches found
Linux kernel dccp_setsockopt_change() integer overflow
Integer overflow in the dccpsetsockoptchange function in net/dccp/proto.c in the Datagram Congestion Control Protocol DCCP subsystem in the Linux kernel 2.6.17-rc1 through 2.6.26.2 allows remote attackers to cause a denial of service panic via a crafted integer value, related to Change L and Chan...
IPv6 implementations insecurely update Forwarding Information Base
Overview A vulnerability in some implementations of the IPv6 Neighbor Discovery Protocol may allow a nearby attacker to intercept traffic or cause congested links to become overloaded. Description IPv6 networks use the Neighbor Discovery Protocol NDP to detect and locate routers and other on-link...
Asterisk IAX2报文放大远程拒绝服务漏洞
BUGTRAQ ID: 28901 CVECAN ID: CVE-2008-1897 Asterisk是开放源码的软件PBX,支持各种VoIP协议和设备。 Asterisk在处理呼叫的机制上存在漏洞,远程攻击者可能利用此漏洞对第三方机器执行拒绝服务攻击。 IAX2协议允许ICNEW报文启动呼叫。ICNEW报文是18字节长的UDP报文,而呼叫可能非常长,包含有很多数据。由于UDP是可以伪造的,因此远程攻击者可以在IAX2握手期间欺骗IAX2握手,导致Asterisk服务器向目标发送大量数据,造成网络堵塞。 Asterisk Asterisk 1.4.x Asterisk Asterisk...
Optimistic TCP acknowledgements can cause denial of service
Overview A vulnerability in the TCP congestion control mechanism could be leveraged by an attacker to cause a denial of service. Description The Transmission Control Protocol TCP is described in RFC 793 as a means to provide reliable host-to-host transmission in a packet-switched computer network...
PT-2013-6346 · Suse +4 · Suse Linux Enterprise Kernel-Pae-Devel +8
Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 3.13.6 SUSE Linux Enterprise kernel-pae-devel affected versions not specified SUSE Linux Enterprise kernel-xen-devel affected versions not specified SUSE Linux Enterprise gfs2-kmp-xen affected versions not...
PT-2008-6907 · Linux +1 · Linux Kernel +1
Name of the Vulnerable Software and Affected Versions: Linux kernel versions 2.6.17-rc1 through 2.6.26.2 linux-headers-2.6.24-etchnhalf.1-all-mips linux-headers-2.6.24-etchnhalf.1-r4k-ip22 linux-headers-2.6.24-etchnhalf.1-r5k-ip32 linux-image-2.6.24-etchnhalf.1-r5k-ip32...