CVE-2016-7128

Public Exploit

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.64% Top 15%
Vendor Advisory gentoo.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.php.net/ChangeLog-7.php release notes
https://security.gentoo.org/glsa/201611-22 vendor advisory
http://www.securityfocus.com/bid/92564 vdb entry
http://www.securitytracker.com/id/1036680 vdb entry
http://rhn.redhat.com/errata/RHSA-2016-2750.html vendor advisory
http://www.php.net/ChangeLog-5.php release notes
https://www.tenable.com/security/tns-2016-19
http://openwall.com/lists/oss-security/2016/09/02/9 mailing list
https://bugs.php.net/bug.php?id=72627 issue tracking exploit
https://github.com/php/php-src/commit/6dbb1ee46b5f4725cc6519abf91e512a2a10dfed?w=1 issue tracking patch

Frequently Asked Questions

What is the severity of CVE-2016-7128?
CVE-2016-7128 has been scored as a medium severity vulnerability.
How to fix CVE-2016-7128?
To fix CVE-2016-7128, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-7128 being actively exploited in the wild?
It is possible that CVE-2016-7128 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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