Bug 26763 - buffer overflow for m4
buffer overflow for m4
Product: Red Hat Linux
Classification: Retired
Component: m4 (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Florian La Roche
David Lawrence
Florence RC-1
: Security
Depends On:
  Show dependency treegraph
Reported: 2001-02-08 19:41 EST by Chris Ricker
Modified: 2007-04-18 12:31 EDT (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2001-02-09 18:07:36 EST
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Description Chris Ricker 2001-02-08 19:41:50 EST

The m4 shipping in beta three is vulnerable to the buffer overflows
currently being discussed on bugtraq

[root@station12 /root]# m4 -G %n
m4: Segmentation fault (core dumped)
[root@station12 /root]# m4 -G %n%n
m4: Segmentation fault (core dumped)
[root@station12 /root]# m4 -G %x  
m4: 80499d9: No such file or directory
[root@station12 /root]# m4 -G %qx
m4: bffff8ec080499d9: No such file or directory
[root@station12 /root]#
Comment 1 Glen Foster 2001-02-09 18:07:21 EST
This defect is considered MUST-FIX for Florence Release-Candidate #1
Comment 2 Florian La Roche 2001-02-13 08:32:13 EST
I have fied the above one and found another similar case. Both are fixed in the
current rpm.
Thanks for this report.

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