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prionPRIOn knowledge basePRION:CVE-2021-20197
HistoryMar 26, 2021 - 5:15 p.m.

Open redirect

2021-03-2617:15:00
PRIOn knowledge base
www.prio-n.com
9

6.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.8%

There is an open race window when writing output in the following utilities in GNU binutils version 2.35 and earlier:ar, objcopy, strip, ranlib. When these utilities are run as a privileged user (presumably as part of a script updating binaries across different users), an unprivileged user can trick these utilities into getting ownership of arbitrary files through a symlink.

CPENameOperatorVersion
binutilsle2.35
enterprise_linuxeq8.0