CVE-2020-7064

Publication date 1 April 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	20.04 LTS focal	Not in release
	19.10 eoan	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Fixed 5.5.9+dfsg-1ubuntu4.29+esm11 Ubuntu Pro
php7.0	20.04 LTS focal	Not in release
	19.10 eoan	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Fixed 7.0.33-0ubuntu0.16.04.14
	14.04 LTS trusty	Not in release
php7.2	20.04 LTS focal	Not in release
	19.10 eoan	Not in release
	18.04 LTS bionic	Fixed 7.2.24-0ubuntu0.18.04.4
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
php7.3	20.04 LTS focal	Not in release
	19.10 eoan	Fixed 7.3.11-0ubuntu0.19.10.4
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
php7.4	20.04 LTS focal	Fixed 7.4.3-4ubuntu1.1
	19.10 eoan	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

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Notes

sbeattie

PEAR issues should go against php-pear as of xenial

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
php5	Upstream: 5ac3ebc

Severity score breakdown

Parameter	Value
Base score	5.4 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	Low
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L