CVE-2008-1618

Public Exploit

Description

The PPTP VPN service in Watchguard Firebox before 10, when performing the MS-CHAPv2 authentication handshake, generates different error codes depending on whether the username is valid or invalid, which allows remote attackers to enumerate valid usernames.

References

Link	Tags
http://www.mwrinfosecurity.com/publications/mwri_watchguard-firebox-pptp-vpn-user-enumeration-advisory_2008-04-04.pdf	patch exploit
http://www.osvdb.org/44218	vdb entry
http://www.vupen.com/english/advisories/2008/1152/references	vdb entry vendor advisory
http://www.securityfocus.com/bid/28619	vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/41683	vdb entry
http://secunia.com/advisories/29708	third party advisory vendor advisory
http://www.securitytracker.com/id?1019796	vdb entry

Frequently Asked Questions

What is the severity of CVE-2008-1618?: CVE-2008-1618 has been scored as a medium severity vulnerability.
How to fix CVE-2008-1618?: To fix CVE-2008-1618, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2008-1618 being actively exploited in the wild?: It is possible that CVE-2008-1618 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-200 – Exposure of Sensitive Information to an Unauthorized Actor

References

Frequently Asked Questions