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CVE-2020-7062

HIGH
Published 2020-02-27T20:25:15.153032Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.012
probability
of exploitation in the wild

There is a 1.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.776
Higher than 77.6% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

PHP Group

PHP

Affected Versions:

7.3.x 7.4.x 7.2.x

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-rrwc-c46p-f3v6

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-7062
WEB https://bugs.php.net/bug.php?id=79221
WEB https://lists.debian.org/debian-lts-announce/2020/03/msg00034.html
WEB https://security.gentoo.org/glsa/202003-57
WEB https://usn.ubuntu.com/4330-1
WEB https://www.debian.org/security/2020/dsa-4717
WEB https://www.debian.org/security/2020/dsa-4719
WEB https://www.tenable.com/security/tns-2021-14
WEB http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://bugs.php.net/bug.php?id=79221
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html
https://security.gentoo.org/glsa/202003-57
https://lists.debian.org/debian-lts-announce/2020/03/msg00034.html
https://usn.ubuntu.com/4330-1/
https://www.debian.org/security/2020/dsa-4717
https://www.debian.org/security/2020/dsa-4719
https://www.tenable.com/security/tns-2021-14
Published: 2020-02-27T20:25:15.153032Z
Last Modified: 2024-09-16T22:24:49.661Z
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