Out-of-bounds read in PHP - CVE-2019-11036

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Main Vulnerability Database Vulnerabilities #VU18801

Out-of-bounds read in PHP - CVE-2019-11036

Published: June 14, 2019


Vulnerability identifier: #VU18801
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-11036
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in exif_process_IFD_TAG() function in PHP EXIF extension. A remote attacker can send a specially crafted file to the affected application, trigger out-of-bounds read error and read contents of memory on the system or crash the process.



Affected software

PHP
Amazon Linux AMI
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Fedora
Opensuse
Red Hat Software Collections
php7.0 (Debian package)
php7 (Alpine package)
php7.3 (Debian package)
php
Dell PowerProtect Cyber Recovery

How to mitigate CVE-2019-11036

Install updates from vendor's website.

PHP - addressed in versions 7.1.29, 7.2.18, 7.3.5
php7.0 (Debian package) - update to 7.0.33-0+deb9u5
php7 (Alpine package) - addressed in versions 7.1.30-r0, 7.2.18-r0
php7.3 (Debian package) - update to 7.3.9-1~deb10u1
php - addressed in versions 7.2.18-1.fc28, 7.2.18-1.fc29, 7.3.5-1.fc30
Dell PowerProtect Cyber Recovery - update to 18.1.1.2-8

External References

Related Security Bulletins