Title: WindowMaker Buffer Overflow Vulnerabilities
Severity: MODERATE
Description:
There are a number of buffer overflow vulnerabilities known to exist in WindowMaker versions 0.52 and 0.60. These buffer overflows are due to several instances of strcpy() calls without bounds checking. The following section of code (along with other overflowable calls) appears multiple times in the WindowMaker source code:
char buffer[256];
...
...
if (class && instance)
key1 = PLMakeString(strcat(strcat(strcpy(buffer,instance),"."),class));
else
In this example, the buffer 'buffer' can be overflown allowing arbitrary code to be executed.
It may be possible to overflow windowmaker remotely if the X server is configured insecurely.
wmaker is not setuid root by default.
Affected Products:
- FreeBSD FreeBSD 3.2.0
- RedHat Linux 5.2.0 i386
- RedHat Linux 6.0.0
- Windowmaker Windowmaker 0.20.1 -3
- Windowmaker Windowmaker 0.52.0 -2
- Windowmaker Windowmaker 0.53.0
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