vpopmail vsybase.c format string attack

vpopmail-vsybase-format-string (17017) The risk level is classified as HighHigh Risk


Inter7 vpopmail (vchkpw) is vulnerable to a format string attack, caused by a vulnerability in the vsybase.c file. A remote attacker could exploit this vulnerability and possibly execute arbitrary code on the system or cause a denial of service.


Gain Access


No remedy available as of September 1, 2014.


  • BugTraq Mailing List, Tue Aug 17 2004 - 05:44:52 CDT: vpopmail <= 5.4.2 (sybase vulnerability).
  • BID-10962: Inter7 Vpopmail Vsybase.c Multiple Vulnerabilities
  • CVE-2004-2238: ** DISPUTED ** Format string vulnerability in vsybase.c in vpopmail 5.4.2 and earlier has unknown impact and attack vectors. NOTE: in a followup post, it was observed that the source code used constants that, when compiled, became static format strings. Thus this is not a vulnerability.
  • OSVDB ID: 9147: vpopmail vsybase.c Format String

Platforms Affected:

  • Inter7 vpopmail (vchkpw) 5.4.2 and prior


Aug 17, 2004

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