Cisco VPN Client for Unix profile name vulnerable to buffer overflow

ciscovpn-profile-name-bo (9376) The risk level is classified as HighHigh Risk


Cisco VPN Client for Unix platforms are vulnerable to a buffer overflow. By default, the vpnclient binary is installed with setuid permissions. A vulnerability regarding insufficient bounds checking with user-supplied arguments in the vpnclient command could allow a remote attacker to supply an overly long profile name to overflow a buffer and gain root privileges on the system.


Gain Privileges


For Linux, Solaris, and Mac OS X platforms:
Upgrade to the latest version of Cisco VPN Client (3.5.2 or later), as listed in Cisco Security Advisory: Buffer Overflow in UNIX VPN Client. See References.


Platforms Affected:

  • Cisco VPN Client 3.5.1


Jun 19, 2002

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