MEDIUM
An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. exif_read_data in ext/exif/exif.c has an out-of-bounds read for crafted JPEG data because exif_iif_add_value mishandles the case of a MakerNote that lacks a final '\0' character.
http://php.net/ChangeLog-5.php
http://php.net/ChangeLog-7.php
http://www.securityfocus.com/bid/104019
http://www.securitytracker.com/id/1040807
https://access.redhat.com/errata/RHSA-2019:2519
https://bugs.php.net/bug.php?id=76130
https://lists.debian.org/debian-lts-announce/2018/06/msg00005.html
https://security.gentoo.org/glsa/201812-01
https://security.netapp.com/advisory/ntap-20180607-0003/
https://usn.ubuntu.com/3646-1/
https://www.debian.org/security/2018/dsa-4240
Source: MITRE
Published: 2018-04-29
Updated: 2019-08-19
Type: CWE-125
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH