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zaptel: arbitrary code execution

Package(s):zaptel CVE #(s):CVE-2008-5396 CVE-2008-5744
Created:January 12, 2009 Updated:January 14, 2009
Description:

From the Debian advisory:

An array index error in zaptel, a set of drivers for telephony hardware, could allow users to crash the system or escalate their privileges by overwriting kernel memory (CVE-2008-5396).

From the CVE-2008-5744 entry:

Array index error in the dahdi/tor2.c driver in Zaptel (aka DAHDI) 1.4.11 and earlier allows local users in the dialout group to overwrite an integer value in kernel memory by writing to /dev/zap/ctl, related to an incorrect tor2 patch for CVE-2008-5396 that uses the wrong variable in a range check against the value of lc->sync.

Alerts:
Debian DSA-1699-1 2009-01-11

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