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

EPSS: 0.078 (94.0th percentile) — read the EPSS interpretation.

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.

Affected products

  • Php — versions 7.0.0, 7.0.1, 7.0.2
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.