CVE-2014-3981
First published: Thu Jun 05 2014(Updated: )
acinclude.m4, as used in the configure script in PHP 5.5.13 and earlier, allows local users to overwrite arbitrary files via a symlink attack on the /tmp/phpglibccheck file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP | <5.3.29 | |
| PHP | >=5.4.0<5.4.30 | |
| PHP | >=5.5.0<5.5.14 |
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Reference Links
- http://git.php.net/?p=php-src.git;a=commit;h=91bcadd85e20e50d3f8c2e9721327681640e6f16
- http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
- http://marc.info/?l=bugtraq&m=141017844705317&w=2
- http://marc.info/?l=bugtraq&m=141390017113542&w=2
- http://openwall.com/lists/oss-security/2014/06/06/12
- http://seclists.org/fulldisclosure/2014/Jun/21
- http://support.apple.com/kb/HT6443
- http://www-01.ibm.com/support/docview.wss?uid=swg21683486
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- https://bugs.php.net/bug.php?id=67390
- https://bugzilla.redhat.com/show_bug.cgi?id=1104978
- https://support.apple.com/HT204659
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1104981
- http://www.openwall.com/lists/oss-security/2014/06/05/14
- https://access.redhat.com/security/cve/CVE-2014-3981
- http://git.php.net/?p=php-src.git;a=commitdiff;h=91bcadd85e20e50d3f8c2e9721327681640e6f16
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1104978#c3
- http://git.php.net/?p=php-src.git;a=commitdiff;h=91bcadd
Frequently Asked Questions
What is the severity of CVE-2014-3981?
CVE-2014-3981 is considered a medium severity vulnerability due to its exploitation potential via a symlink attack.
How do I fix CVE-2014-3981?
To fix CVE-2014-3981, upgrade PHP to version 5.5.14 or later, or implement proper permissions to the /tmp directory.
What versions of PHP are affected by CVE-2014-3981?
CVE-2014-3981 affects PHP versions 5.5.0 to 5.5.13, 5.4.0 to 5.4.30, and 5.3.29 and earlier.
Can CVE-2014-3981 be exploited remotely?
CVE-2014-3981 is primarily a local vulnerability and requires local access to exploit.
What types of attacks can CVE-2014-3981 facilitate?
CVE-2014-3981 can facilitate file overwrite attacks through a symlink, potentially leading to data loss or system compromise.
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