{"id":"UBUNTU-CVE-2021-35939","details":"It was found that the fix for CVE-2017-7500 and CVE-2017-7501 was incomplete: the check was only implemented for the parent directory of the file to be created. A local unprivileged user who owns another ancestor directory could potentially use this flaw to gain root privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","modified":"2026-05-20T16:05:04.968229628Z","published":"2022-08-26T16:15:00Z","upstream":["CVE-2021-35939"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-35939"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1964129"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-35939"}],"affected":[{"package":{"name":"rpm","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/rpm?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.11.1-2","4.11.1-3","4.11.1-3ubuntu0.1","4.11.1-3ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.11.1-3ubuntu0.1+esm1","binary_name":"debugedit"},{"binary_name":"librpm3","binary_version":"4.11.1-3ubuntu0.1+esm1"},{"binary_name":"librpmbuild3","binary_version":"4.11.1-3ubuntu0.1+esm1"},{"binary_name":"librpmio3","binary_version":"4.11.1-3ubuntu0.1+esm1"},{"binary_name":"librpmsign1","binary_version":"4.11.1-3ubuntu0.1+esm1"},{"binary_version":"4.11.1-3ubuntu0.1+esm1","binary_name":"python-rpm"},{"binary_name":"rpm","binary_version":"4.11.1-3ubuntu0.1+esm1"},{"binary_name":"rpm-common","binary_version":"4.11.1-3ubuntu0.1+esm1"},{"binary_name":"rpm-i18n","binary_version":"4.11.1-3ubuntu0.1+esm1"},{"binary_name":"rpm2cpio","binary_version":"4.11.1-3ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-35939.json"}},{"package":{"name":"rpm","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/rpm?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.0.1+dfsg1-3build2","4.12.0.1+dfsg1-3build3","4.12.0.1+dfsg1-3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"debugedit","binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1"},{"binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1","binary_name":"librpm3"},{"binary_name":"librpmbuild3","binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1"},{"binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1","binary_name":"librpmio3"},{"binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1","binary_name":"librpmsign3"},{"binary_name":"python-rpm","binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1"},{"binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1","binary_name":"python3-rpm"},{"binary_name":"rpm","binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1"},{"binary_name":"rpm-common","binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1"},{"binary_name":"rpm-i18n","binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1"},{"binary_name":"rpm2cpio","binary_version":"4.12.0.1+dfsg1-3ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-35939.json"}},{"package":{"name":"rpm","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/rpm?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.0.2+dfsg1-2build2","4.14.0+dfsg1-2","4.14.1+dfsg1-2","4.14.1+dfsg1-2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"debugedit","binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1"},{"binary_name":"librpm8","binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1"},{"binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1","binary_name":"librpmbuild8"},{"binary_name":"librpmio8","binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1"},{"binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1","binary_name":"librpmsign8"},{"binary_name":"python-rpm","binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1"},{"binary_name":"python3-rpm","binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1"},{"binary_name":"rpm","binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1"},{"binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1","binary_name":"rpm-common"},{"binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1","binary_name":"rpm-i18n"},{"binary_name":"rpm2cpio","binary_version":"4.14.1+dfsg1-2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-35939.json"}},{"package":{"name":"rpm","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/rpm?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.14.2.1+dfsg1-1","4.14.2.1+dfsg1-1build1","4.14.2.1+dfsg1-1build2","4.14.2.1+dfsg1-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.14.2.1+dfsg1-1ubuntu0.1~esm1","binary_name":"debugedit"},{"binary_name":"librpm8","binary_version":"4.14.2.1+dfsg1-1ubuntu0.1~esm1"},{"binary_name":"librpmbuild8","binary_version":"4.14.2.1+dfsg1-1ubuntu0.1~esm1"},{"binary_version":"4.14.2.1+dfsg1-1ubuntu0.1~esm1","binary_name":"librpmio8"},{"binary_name":"librpmsign8","binary_version":"4.14.2.1+dfsg1-1ubuntu0.1~esm1"},{"binary_version":"4.14.2.1+dfsg1-1ubuntu0.1~esm1","binary_name":"python-rpm"},{"binary_name":"python3-rpm","binary_version":"4.14.2.1+dfsg1-1ubuntu0.1~e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