CVE-2020-7062
HIGHPHP 7.2.0-7.2.27, 7.3.0-7.3.14, 7.4.0-7.4.2 - Denial of Service via File Upload Progress Cleanup
Title source: llmDescription
In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload procedure would try to clean up data that does not exist and encounter null pointer dereference, which would likely lead to a crash.
References (8)
Core 8
Core References
Exploit, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=79221
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202003-57
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/03/msg00034.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4330-1/
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
Third Party Advisory x_refsource_confirm
https://www.tenable.com/security/tns-2021-14
Scores
CVSS v3
7.5
EPSS
0.0115
EPSS Percentile
78.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (10)
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
debian/debian_linux
8.0
debian/debian_linux
9.0
debian/debian_linux
10.0
opensuse/leap
15.1
php/php
7.2.0 - 7.2.27
Published
Feb 27, 2020
Tracked Since
Feb 18, 2026