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Oracle Solaris 11: CVE-2021-20197 (11.4 SRU 36.101.2)

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Oracle Solaris 11: CVE-2021-20197 (11.4 SRU 36.101.2)

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
Published
03/26/2021
Created
08/28/2021
Added
08/27/2021
Modified
02/17/2022

Description

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.

Solution(s)

  • oracle-solaris-11-4-upgrade-developer-gnu-binutils-2-36-1-11-4-36-0-1-101-0
  • oracle-solaris-11-4-upgrade-developer-gnu-binutils-cross-i386-2-36-1-11-4-36-0-1-101-0
  • oracle-solaris-11-4-upgrade-developer-gnu-binutils-cross-sparc-2-36-1-11-4-36-0-1-101-0

References

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