Link Following Affecting binutils package, versions *
Snyk CVSS
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Test your applications- Snyk ID SNYK-DEBIAN11-BINUTILS-1065551
- published 27 Jan 2021
- disclosed 26 Mar 2021
Introduced: 27 Jan 2021
CVE-2021-20197 Open this link in a new tabHow to fix?
There is no fixed version for Debian:11
binutils
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream binutils
package and not the binutils
package as distributed by Debian:11
.
See How to fix?
for Debian:11
relevant fixed versions and status.
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.