CVE-2008-1618
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
6.9 Medium
AI Score
Confidence
Low
0.012 Low
EPSS
Percentile
85.1%
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.
Affected configurations
References
secunia.com/advisories/29708
www.mwrinfosecurity.com/publications/mwri_watchguard-firebox-pptp-vpn-user-enumeration-advisory_2008-04-04.pdf
www.osvdb.org/44218
www.securityfocus.com/bid/28619
www.securitytracker.com/id?1019796
www.vupen.com/english/advisories/2008/1152/references
exchange.xforce.ibmcloud.com/vulnerabilities/41683
Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
6.9 Medium
AI Score
Confidence
Low
0.012 Low
EPSS
Percentile
85.1%