CVE-2020-28407

High

Description

In swtpm before 0.4.2 and 0.5.x before 0.5.1, a local attacker may be able to overwrite arbitrary files via a symlink attack against a temporary file such as TMP2-00.permall.

SeverityHigh
CVSS7.1
Exploit probability—
ProductSwtpm
PublishedNov 3, 2023
First seenNov 3, 2023

How to fix

Update
  • swtpm_project swtpm0.4.2 or later

Affected products

ProductAffected versionsFixed in
swtpm_project swtpmv < 0.4.2, 0.5.00.4.2

Check your version

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