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GNU M4 Format String Vulnerability and Security Issue
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Secunia Advisory:
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SA29671
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Release Date:
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2008-04-08
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Critical:
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Less critical
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Impact:
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Manipulation of data
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | GNU M4 1.x
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| | CVE reference: | CVE-2008-1687 (Secunia mirror)
CVE-2008-1688 (Secunia mirror)
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Description:
A vulnerability and a security issue have been reported in GNU M4, which can be exploited by malicious people to manipulate certain data or to potentially compromise a user's system.
1) A format string error exists within the "produce_frozen_state()" function in src/freeze.c. This can be exploited via a specially crafted filename passed as a parameter to "m4 -F".
Successful exploitation may allow execution of arbitrary code, but requires that the user is tricked into processing a filename containing malicious format specifiers.
2) An error within the implementation of the "maketemp" and "mkstemp" macros can potentially be exploited to trigger the processing of improper files via special characters contained in the output string.
The vulnerability and the security issue are reported in version 1.4.10. Prior versions may also be affected.
Solution:
Update to version 1.4.11.
Provided and/or discovered by:
Reported by the vendor.
Original Advisory:
http://git.sv.gnu.org/gitweb/?p=m4.gi...998112737e52cb229e342913ef404e5a51040
http://git.sv.gnu.org/gitweb/?p=m4.gi...5bb49077bfda9fabd048e563f9e7077fe335d
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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