Description

The exif_process_IFD_in_TIFF function in ext/exif/exif.c in PHP before 5.6.25 and 7.x before 7.0.10 mishandles the case of a thumbnail offset that exceeds the file size, which allows remote attackers to obtain sensitive information from process memory via a crafted TIFF image.

References

http://openwall.com/lists/oss-security/2016/09/02/9

http://rhn.redhat.com/errata/RHSA-2016-2750.html

http://www.php.net/ChangeLog-5.php

http://www.php.net/ChangeLog-7.php

http://www.securityfocus.com/bid/92564

http://www.securitytracker.com/id/1036680

https://bugs.php.net/bug.php?id=72627

https://github.com/php/php-src/commit/6dbb1ee46b5f4725cc6519abf91e512a2a10dfed?w=1

https://security.gentoo.org/glsa/201611-22

https://www.tenable.com/security/tns-2016-19

Details

Risk Information

CVSS v2

CVSS v3