{"id":"OESA-2021-1153","summary":"binutils security update","details":"\r\n\r\nSecurity Fix(es):\r\n\r\nThere 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.(CVE-2021-20197)","modified":"2026-08-18T01:15:29.676475550Z","published":"2021-05-06T11:04:23Z","upstream":["CVE-2021-20197"],"database_specific":{"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1153"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20197"}],"affected":[{"package":{"name":"binutils","ecosystem":"openEuler:20.03-LTS-SP1","purl":"pkg:rpm/openEuler/binutils&distro=openEuler-20.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.34-9.oe1"}]}],"ecosystem_specific":{"src":["binutils-2.34-9.oe1.src.rpm"],"x86_64":["binutils-debuginfo-2.34-9.oe1.x86_64.rpm","binutils-help-2.34-9.oe1.x86_64.rpm","binutils-devel-2.34-9.oe1.x86_64.rpm","binutils-debugsource-2.34-9.oe1.x86_64.rpm","binutils-2.34-9.oe1.x86_64.rpm"],"aarch64":["binutils-devel-2.34-9.oe1.aarch64.rpm","binutils-2.34-9.oe1.aarch64.rpm","binutils-debuginfo-2.34-9.oe1.aarch64.rpm","binutils-debugsource-2.34-9.oe1.aarch64.rpm","binutils-help-2.34-9.oe1.aarch64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2021-1153.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"}]}