CVE - CVE-2021-20197

CVE-ID
CVE-2021-20197	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:GLSA-202208-30 URL:https://security.gentoo.org/glsa/202208-30 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1913743 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1913743 MISC:https://security.netapp.com/advisory/ntap-20210528-0009/ URL:https://security.netapp.com/advisory/ntap-20210528-0009/ MISC:https://sourceware.org/bugzilla/show_bug.cgi?id=26945 URL:https://sourceware.org/bugzilla/show_bug.cgi?id=26945
Assigning CNA
Red Hat, Inc.
Date Record Created
20201217	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20201217)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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