CVE-2019-11042

Public Exploit
heap-buffer-overflow on exif_process_user_comment in EXIF extension

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.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.64% Top 20%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory php.net
Affected: PHP Group PHP
Published at:
Updated at:

References

Link Tags
https://bugs.php.net/bug.php?id=78256 exploit patch vendor advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00010.html third party advisory mailing list
https://usn.ubuntu.com/4097-2/ third party advisory vendor advisory
https://usn.ubuntu.com/4097-1/ third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20190822-0003/ third party advisory
https://seclists.org/bugtraq/2019/Sep/35 third party advisory mailing list
https://www.debian.org/security/2019/dsa-4527 third party advisory vendor advisory
https://www.debian.org/security/2019/dsa-4529 third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Sep/38 third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00019.html third party advisory vendor advisory
https://support.apple.com/kb/HT210634 third party advisory
https://seclists.org/bugtraq/2019/Oct/9 third party advisory mailing list
http://seclists.org/fulldisclosure/2019/Oct/15 third party advisory mailing list
https://support.apple.com/kb/HT210722 third party advisory
http://seclists.org/fulldisclosure/2019/Oct/55 third party advisory mailing list
https://access.redhat.com/errata/RHSA-2019:3299 third party advisory vendor advisory
https://www.tenable.com/security/tns-2021-14 third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-11042?
CVE-2019-11042 has been scored as a high severity vulnerability.
How to fix CVE-2019-11042?
To fix CVE-2019-11042, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11042 being actively exploited in the wild?
It is possible that CVE-2019-11042 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-11042?
CVE-2019-11042 affects PHP Group PHP.
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