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Access Restriction Bypass Affecting php7-fileinfo package, versions <7.2.34-150000.4.103.1

Severity

 Recommended
0.0
low
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.4% (74th percentile)

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  • Snyk IDSNYK-SLES150-PHP7FILEINFO-3132984
  • published19 Nov 2022
  • disclosed18 Nov 2022
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Introduced: 18 Nov 2022

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

How to fix?

Upgrade SLES:15.0 php7-fileinfo to version 7.2.34-150000.4.103.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php7-fileinfo package and not the php7-fileinfo package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

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