Cisco Discloses Critical VPN Flaw
A critical vulnerability affecting the VPN feature of Cisco'south Adaptive Security Appliance software could allow an assailant to cause a reload, execute arbitrary code, or accept full control of an affected organisation.
"The vulnerability is due to an attempt to double complimentary a region of retentiveness when the webvpn feature is enabled on the Cisco ASA device," Cisco wrote in its alarm. "An aggressor could exploit this vulnerability by sending multiple, crafted XML packets to a webvpn-configured interface on the affected system."
WebVPN lets remote users securely admission enterprise resources like internal websites, web-enabled applications, e-mail, and more via a web browser. The flaw, which was discovered by Cedric Halbronn from the NCC Group and which Cisco disclosed on Monday, is rated 10 out of x in severity.
On the vivid side, Cisco said it'southward not currently enlightened of any attacks leveraging this flaw, but don't bet on that being the case for likewise long. The visitor released free software updates that address the vulnerability; there are no workarounds to set up it. Those without a current Cisco service will demand to contact Cisco's Technical Assistance Center to obtain the prepare.
A number of Cisco products include the vulnerable software, and are thus at risk, including: 3000 Serial Industrial Security Appliance (ISA), ASA 5500 Series Adaptive Security Appliances, ASA 5500-Ten Series Next-Generation Firewalls, ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Serial Routers, ASA 1000V Cloud Firewall, Adaptive Security Virtual Apparatus (ASAv), Firepower 2100 Serial Security Appliance, Firepower 4110 Security Appliance, Firepower 9300 ASA Security Module, and Firepower Threat Defence force Software (FTD).
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Source: https://sea.pcmag.com/news/19358/cisco-discloses-critical-vpn-flaw
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