CVE-2008-1687
First published: Wed Apr 09 2008(Updated: )
The (1) maketemp and (2) mkstemp builtin functions in GNU m4 before 1.4.11 do not quote their output when a file is created, which might allow context-dependent attackers to trigger a macro expansion, leading to unspecified use of an incorrect filename.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU m4 | <=1.4.10 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2008/04/07/3
- http://www.openwall.com/lists/oss-security/2008/04/07/1
- http://www.openwall.com/lists/oss-security/2008/04/07/4
- http://www.openwall.com/lists/oss-security/2008/04/07/12
- http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.510612
- http://secunia.com/advisories/29671
- http://secunia.com/advisories/29729
- http://www.securityfocus.com/bid/28688
- http://www.vupen.com/english/advisories/2008/1151/references
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41706
Frequently Asked Questions
What is the severity of CVE-2008-1687?
CVE-2008-1687 is classified as a medium severity vulnerability due to the potential for attackers to exploit the improper quoting in file creation functions.
How do I fix CVE-2008-1687?
To fix CVE-2008-1687, upgrade to GNU m4 version 1.4.11 or later, where the issues with maketemp and mkstemp have been addressed.
What systems are affected by CVE-2008-1687?
CVE-2008-1687 affects GNU m4 versions up to 1.4.10, which may lead to improper file handling.
What can attackers achieve by exploiting CVE-2008-1687?
By exploiting CVE-2008-1687, attackers may trigger macro expansions leading to the use of incorrect filenames, which can create security risks.
Is there a workaround for CVE-2008-1687 if I cannot upgrade?
If upgrading is not possible, consider limiting access to the system or using alternative methods for file creation that do not involve the vulnerable functions.
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