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CVE-2019-11044

LOW
Published 2019-12-23T02:40:16.742266Z
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Expert Analysis

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CVSS Score

V3.1
3.7
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.039
probability
of exploitation in the wild

There is a 3.9% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.878
Higher than 87.8% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

Description

In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 on Windows, PHP link() function accepts filenames with embedded \0 byte and treats them as terminating at that byte. This could lead to security vulnerabilities, e.g. in applications checking paths that the code is allowed to access.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

PHP Group

PHP

Affected Versions:

7.2.x 7.3.x 7.4.x

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-c8cf-pj9v-fcr9

Advisory Details

In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 on Windows, PHP link() function accepts filenames with embedded \0 byte and treats them as terminating at that byte. This could lead to security vulnerabilities, e.g. in applications checking paths that the code is allowed to access.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2019-11044
WEB https://bugs.php.net/bug.php?id=78862
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F
WEB https://security.netapp.com/advisory/ntap-20200103-0002
WEB https://www.tenable.com/security/tns-2021-14

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: December 14, 2022

References

https://bugs.php.net/bug.php?id=78862
https://security.netapp.com/advisory/ntap-20200103-0002/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/
https://www.tenable.com/security/tns-2021-14

HackerOne Reports

PHP link() silently truncates after a null byte on Windows Medium
ryat
Internet Bug Bounty
Improper Null Termination
View Report
Published: 2019-12-23T02:40:16.742266Z
Last Modified: 2024-09-17T01:47:06.457Z
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