CVE-2019-11042

Published: 9 August 2019

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.

Notes

Author	Note
sbeattie	PEAR issues should go against php-pear as of xenial
leosila	for php5 backports: https://github.com/Microsoft/php-src/

Priority

Cvss 3 Severity Score

7.1

Score breakdown

Status

Package	Release	Status
php5 Launchpad, Ubuntu, Debian	bionic	Does not exist
	disco	Does not exist
	trusty	Released (5.5.9+dfsg-1ubuntu4.29+esm5) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Needs triage
	xenial	Does not exist
php7.0 Launchpad, Ubuntu, Debian	bionic	Does not exist
	disco	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Released (7.0.33-0ubuntu0.16.04.6)
php7.2 Launchpad, Ubuntu, Debian	bionic	Released (7.2.19-0ubuntu0.18.04.2)
	disco	Released (7.2.19-0ubuntu0.19.04.2)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
php7.3 Launchpad, Ubuntu, Debian	bionic	Does not exist
	disco	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist

Severity score breakdown

Parameter	Value
Base score	7.1
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References

Bugs

https://bugs.php.net/bug.php?id=78256

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