Information disclosure in PHP
CVE-2016-7128
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.078 (94.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.078 · newest: 0.078 · change: 0.000
Affected products
- PHP — versions 7.0.0, 7.0.1, 7.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.php.net/ChangeLog-7.php (Release Notes)
- security.gentoo.org/glsa/201611-22 (vendor-advisory)
- www.securityfocus.com/bid/92564 (vdb-entry)
- www.securitytracker.com/id/1036680 (vdb-entry)
- rhn.redhat.com/errata/RHSA-2016-2750.html (vendor-advisory)
- www.php.net/ChangeLog-5.php (Release Notes)
- www.tenable.com/security/tns-2016-19
- openwall.com/lists/oss-security/2016/09/02/9 (mailing-list, Mailing List)
- bugs.php.net/bug.php (Exploit, Issue Tracking)
- github.com/php/php-src/commit/6dbb1ee46b5f4725cc6519abf91e512a2a10dfed (Patch, Issue Tracking)
Frequently asked questions
- What is CVE-2016-7128?
- CVE-2016-7128 is a medium-severity vulnerability in PHP, classified under Information Disclosure. CVSS score: 5.3/10. Published 2016-09-12.
- How severe is CVE-2016-7128?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2016-7128 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.