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CVE-2015-4021

Published: 9 June 2015

The phar_parse_tarfile function in ext/phar/tar.c in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 does not verify that the first character of a filename is different from the \0 character, which allows remote attackers to cause a denial of service (integer underflow and memory corruption) via a crafted entry in a tar archive.

Priority

Low

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
precise
Released (5.3.10-1ubuntu3.19)
trusty
Released (5.5.9+dfsg-1ubuntu4.11)
upstream
Released (5.4.41,5.5.25,5.6.9)
utopic
Released (5.5.12+dfsg-2ubuntu4.6)
vivid
Released (5.6.4+dfsg-4ubuntu6.2)
Patches:
upstream: http://git.php.net/?p=php-src.git;a=commit;h=c27f012b7a447e59d4a704688971cbfa7dddaa74
upstream: http://git.php.net/?p=php-src.git;a=commit;h=e2bbf0a2df2cd864fa86d613eb316b249811a6f6