Access Restriction Bypass Affecting php package, versions [,7.1.27)[7.2.0,7.2.16)[7.3.0,7.3.3)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.4% (74th percentile)

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  • Snyk IDSNYK-UNMANAGED-PHP-2335092
  • published12 Jan 2022
  • disclosed9 Mar 2019
  • creditUnknown

Introduced: 9 Mar 2019

CVE-2019-9637  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade php to version 7.1.27, 7.2.16, 7.3.3 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass. An issue was discovered in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. Due to the way rename() across filesystems is implemented, it is possible that file being renamed is briefly available with wrong permissions while the rename is ongoing, thus enabling unauthorized users to access the data.

References

CVSS Scores

version 3.1