CVE-2020-7064 Information

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Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.html https://bugs.php.net/bug.php?id=79282 https://lists.debian.org/debian-lts-announce/2020/04/msg00021.html https://security.netapp.com/advisory/ntap-20200403-0001/ https://usn.ubuntu.com/4330-1/ https://usn.ubuntu.com/4330-2/ https://www.debian.org/security/2020/dsa-4717 https://www.debian.org/security/2020/dsa-4719

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

LOW

Base Severity

5.4