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.
References (10)
Core 10
Core References
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/04/msg00021.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4330-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4330-2/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.html
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4717
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4719
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=79282
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200403-0001/
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2021.html
Patch, Third Party Advisory x_refsource_confirm
https://www.tenable.com/security/tns-2021-14
Scores
CVSS v3
6.5
EPSS
0.0233
EPSS Percentile
84.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Details
CWE
CWE-125
Status
published
Products (12)
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
19.10
canonical/ubuntu_linux
20.04
debian/debian_linux
8.0
debian/debian_linux
9.0
debian/debian_linux
10.0
opensuse/leap
15.1
... and 2 more
Published
Apr 01, 2020
Tracked Since
Feb 18, 2026