CVE-2015-6833

Summary

Directory traversal vulnerability in the PharData class in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allows remote attackers to write to arbitrary files via a .. (dot dot) in a ZIP archive entry that is mishandled during an extractTo call.

Impact & exploitability

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

• NVD record
• http://www.debian.org/security/2015/dsa-3344
• http://www.openwall.com/lists/oss-security/2015/08/19/3
• http://www.php.net/ChangeLog-5.php
• https://bugs.php.net/bug.php?id=70019
• https://security.gentoo.org/glsa/201606-10