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Denial of Service in Cisco IOS - 22 Jun 2004
A Cisco Systems' device running Internetwork Operating System (IOS) and enabled for the Border Gateway Protocol (BGP) is vulnerable to a Denial of Service (DoS) attack from a malformed BGP packet.
Ken Pfeil
June 21, 2004
1 Min Read
Reported June 16, 2004, by Cisco
VERSIONS AFFECTED
DESCRIPTION
A Cisco Systems' device running Internetwork Operating System (IOS) and enabledfor the Border Gateway Protocol (BGP) is vulnerable to a Denial of Service (DoS)attack from a malformed BGP packet. By sending a malformed BGP packet to thedevice, a potential attacker could cause the device to reload.
VENDOR RESPONSE
Cisco Systems has releasedSecurity Advisory 50321, "Cisco IOS Malformed BGP Packet CausesReload" to address this vulnerability and recommends that affected usersimmediately apply the appropriate patch listed in the bulletin.
CREDIT
Discovered by Cisco Systems.
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