Out-of-bounds Read in PHP
CVE-2019-11040
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 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 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.
Vulnerability class: Buffer Overflow
EPSS: 0.041 (90.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Php
- Php Group — versions 7.1.30, 7.2.19, 7.3.6
- Debian Debian_linux — versions 9.0, 10.0
- Opensuse Leap — versions 15.0, 15.1
- Redhat Software_collections — versions 1.0
Weakness classification (CWE)
References
- security@php.net (x_refsource_CONFIRM, Exploit, Mailing List, Vendor Advisory)
- security@php.net (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security@php.net (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@php.net (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- security@php.net (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@php.net (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@php.net (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- security@php.net (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-11040?
- CVE-2019-11040 is a critical-severity vulnerability in PHP, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2019-06-19.
- How severe is CVE-2019-11040?
- Critical severity. CVSS v3 base score is 9.1 out of 10.