DEBIAN-CVE-2021-20197
- Source
- https://security-tracker.debian.org/tracker/CVE-2021-20197
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20197.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-20197
- Upstream
- Published
- 2021-03-26T17:15:12Z
- Modified
- 2026-09-01T20:04:24Z
- Severity
-
- 6.3 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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
Affected packages
Debian:12 / binutils
Package
- Name
- binutils
- Purl
- pkg:deb/debian/binutils?arch=source&distro=bookworm
Debian:13 / binutils
Package
- Name
- binutils
- Purl
- pkg:deb/debian/binutils?arch=source&distro=trixie
Debian:14 / binutils
Package
- Name
- binutils
- Purl
- pkg:deb/debian/binutils?arch=source&distro=forky