Description

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.

References

https://bugs.php.net/bug.php?id=78222

https://lists.debian.org/debian-lts-announce/2019/08/msg00010.html

https://usn.ubuntu.com/4097-2/

https://usn.ubuntu.com/4097-1/

https://security.netapp.com/advisory/ntap-20190822-0003/

https://seclists.org/bugtraq/2019/Sep/35

https://www.debian.org/security/2019/dsa-4527

https://seclists.org/bugtraq/2019/Sep/38

https://www.debian.org/security/2019/dsa-4529

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00019.html

https://support.apple.com/kb/HT210634

https://seclists.org/bugtraq/2019/Oct/9

http://seclists.org/fulldisclosure/2019/Oct/15

http://seclists.org/fulldisclosure/2019/Oct/55

https://access.redhat.com/errata/RHSA-2019:3299

https://support.apple.com/kb/HT210722

Details

Risk Information

CVSS v2

CVSS v3