6405 : mIRC asctime Input Overflow
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Info

Last Modified

6 months ago

Percent Complete

100%

Disclosure

Aug 16, 2002

Discovery

Jul 30, 2002

Dates

Exploit

Aug 16, 2002

Solution

Unknown

Description

A remote overflow exists in mIRC. mIRC fails to limit paramters given to asctime(), resulting in a buffer overflow. With a specially crafted request, an attacker can cause the target machine to execute arbitrary code resulting in a loss of confidentiality and integrity.

Classification

Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Confidentiality, Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to version 6.03 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround(s):

Disable scripts or check input on functions that use the asctime() function.

Products

Khaled Mardam-Bey
Watch-list
mIRC
Watch-list
6.01
6.00
6.02

References

Manual Testing Notes

Credit

  • Phrizer -
  • James Martin - meBrand New Doo Doouuuppz.com -

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