heap-buffer-overflow on exif_process_user_comment in EXIF extension
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 4.4%
exploitation probability
4.4%top 10% of all CVEs
observed exploitation
nono source reports it
When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.1.x below 7.1.31, 7.2.x below 7.2.21 and 7.3.x below 7.3.8 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected products
PHP Group · PHPReferences
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00019.htmlhttps://access.redhat.com/errata/RHSA-2019:3299https://bugs.php.net/bug.php?id=78256http://seclists.org/fulldisclosure/2019/Oct/15http://seclists.org/fulldisclosure/2019/Oct/55https://lists.debian.org/debian-lts-announce/2019/08/msg00010.htmlhttps://seclists.org/bugtraq/2019/Oct/9https://seclists.org/bugtraq/2019/Sep/35https://seclists.org/bugtraq/2019/Sep/38https://security.netapp.com/advisory/ntap-20190822-0003/https://support.apple.com/kb/HT210634https://support.apple.com/kb/HT210722