Code injection

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service BGP service reset and resync via a malformed UPDATE message, aka Bug ID CSCtn13065...

CVE-2012-4097

CVE-2012-4097 affects Cisco NX-OS BGP: the BGP implementation does not properly filter segment types in AS paths, allowing remote attackers to trigger a denial of service (BGP service reset) via a malformed UPDATE message (Bug CSCtn13043). This is documented across multiple sources (NVD, Red Hat ...

CVE-2012-4099

Cisco NX-OS BGP implementation vulnerability CVE-2012-4099 allows remote attackers to trigger a denial of service (BGP service reset and resync) by sending a malformed UPDATE message due to improper AS-path filtering (Bug CSCtn13065). Affected component is the BGP/AS-path processing in NX-OS; imp...

CVE-2012-4099

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service BGP service reset and resync via a malformed UPDATE message, aka Bug ID CSCtn13065...

CVE-2012-4097

The BGP implementation in Cisco NX-OS does not properly filter segment types in AS paths, which allows remote attackers to cause a denial of service BGP service reset via a malformed UPDATE message, aka Bug ID CSCtn13043...

CVE-2012-4098

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service BGP service reset and resync via a malformed UPDATE message, aka Bug ID CSCtn13055...

Code injection

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service BGP service reset and resync via a malformed UPDATE message, aka Bug ID CSCtn13055...

CVE-2012-4098

Cisco NX-OS BGP DoS (CVE-2012-4098) affects the BGP component of Cisco NX-OS where improper filtering of AS paths allows remote attackers to trigger a denial-of-service by sending a malformed UPDATE, causing BGP service reset/resync. The public descriptions across NVD, Tenable/OSS and OpenVAS con...

CVE-2012-4098

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service BGP service reset and resync via a malformed UPDATE message, aka Bug ID CSCtn13055...

CVE-2013-1121

The regex engine in the BGP implementation in Cisco NX-OS, when a complex regular expression is configured for inbound routes, allows remote attackers to cause a denial of service device reload via a crafted AS path set, aka Bug ID CSCuf49554...

Code injection

The regex engine in the BGP implementation in Cisco NX-OS, when a complex regular expression is configured for inbound routes, allows remote attackers to cause a denial of service device reload via a crafted AS path set, aka Bug ID CSCuf49554...

CVE-2013-1121

The regex engine in the BGP implementation in Cisco NX-OS, when a complex regular expression is configured for inbound routes, allows remote attackers to cause a denial of service device reload via a crafted AS path set, aka Bug ID CSCuf49554...

CVE-2013-1121

The CVE-2013-1121 issue affects Cisco NX-OS BGP: the regex engine handling complex inbound route expressions can be triggered by crafted AS path sets, causing a remote, unauthenticated attacker to reload the device (DoS). Public sources (Cisco advisory) confirm the vulnerability and that software...

Cisco NX-OS Software BGP Regex Vulnerability

A vulnerability in the Border Gateway Protocol BGP code of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the affected device to reload. The vulnerability is due to an issue with the regex engine used when processing complex regular expressions. An attacker could...

Amazon Linux AMI : quagga (ALAS-2012-90)

The bgpcapabilityorf function in bgpd in Quagga 0.99.20.1 and earlier allows remote attackers to cause a denial of service assertion failure and daemon exit by leveraging a BGP peering relationship and sending a malformed Outbound Route Filtering ORF capability TLV in an OPEN message. C Tenable...

CentOS 4 : tcpdump (CESA-2007:0387)

Updated tcpdump packages that fix a security issue and functionality bugs are now available. This update has been rated as having moderate security impact by the Red Hat Security Response Team. Tcpdump is a command line tool for monitoring network traffic. Moritz Jodeit discovered a denial of...

Syrian Internet Connection Cut Off Again

For the second time this month, the civil war-torn nation of Syria lost its connection to the Internet this morning before emerging from the Internet blackout several hours later, according to information provided by Arbor Networks. Google’s Transparency report webpage revealed that at around 2:5...

Internet Blocked Briefly in Syria

Sometime around 2:45 PM EDT yesterday, Syria’s BGP routes were severed and the country disappeared from the Internet. Just as quickly as it had fallen, Syria came back online this morning. In March, the Middle Eastern nation entered the third year of a violent conflict in which the country’s ruli...

Mandriva Linux Security Advisory : quagga (MDVSA-2013:122)

Updated quagga package fixes security vulnerability : The bgpcapabilityorf function in bgpd in Quagga 0.99.20.1 and earlier allows remote attackers to cause a denial of service assertion failure and daemon exit by leveraging a BGP peering relationship and sending a malformed Outbound Route...

Nmap NSE 6.01: asn-query

Maps IP addresses to autonomous system AS numbers. The script works by sending DNS TXT queries to a DNS server which in turn queries a third-party service provided by Team Cymru team-cymru.org using an in-addr.arpa style zone set up especially for use by Nmap. The responses to these queries conta...