Link following in PHP - CVE-2014-3981
Published: June 8, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41567
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-3981
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
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.
Affected software
PHP
Amazon Linux AMI
Gentoo Linux
Slackware Linux
HP-UX Web Server Suite
dev-lang/php
Amazon Linux AMI
Gentoo Linux
Slackware Linux
HP-UX Web Server Suite
dev-lang/php
How to mitigate CVE-2014-3981
Install update from vendor's website.
HP-UX Web Server Suite - update to 4.02
dev-lang/php - update to 5.5.16
dev-lang/php - update to 5.5.16
External References
- 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.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- http://www-01.ibm.com/support/docview.wss?uid=swg21683486
- https://bugs.php.net/bug.php?id=67390
- https://bugzilla.redhat.com/show_bug.cgi?id=1104978
- https://support.apple.com/HT204659