{"id":"GHSA-gwm6-q8ch-hcfr","revision":"5567e7a489224276bc3b1d7245b0d14c","records":[{"revision":"5567e7a489224276bc3b1d7245b0d14c","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"GHSA-gwm6-q8ch-hcfr","aliases":["CVE-2026-35356"],"title":"install -D: symlink race in directory creation allows arbitrary file overwrite","description":"The `-D` path runs `fs::create_dir_all` on a pathname then later opens the destination via path-based `File::create`/`fs::copy`, neither anchored to a directory fd. Between the two, an attacker can replace a path component with a symlink, redirecting the write.\n\n**Impact:** an attacker with concurrent write access to the destination tree can redirect a privileged `install -D` to an arbitrary location, enabling arbitrary file overwrite with attacker-controlled content. Recommendation: use dirfd-based traversal (`openat`/`mkdirat` + `O_NOFOLLOW`) per component and create the destination via `openat` on the same dirfd.\n\n**Remediation:** Acknowledged by Canonical; fixed in commit 0c412999.\n\n---\n_Reported by Zellic in the *uutils coreutils Program Security Assessment* (prepared for Canonical, Jan 20 2026), audited commit `3a07ffc5a9bd4c283e75afa548ba1f1957bad242`. Finding 3.51. Credit: Zellic._","state":0,"publishedAt":"2026-07-06T19:54:56+00:00","modifiedAt":"2026-07-06T20:11:16.587934+00:00","affected":[{"ecosystem":"crates.io","name":"uu_install","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.7.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/uutils/coreutils/security/advisories/GHSA-gwm6-q8ch-hcfr","https://nvd.nist.gov/vuln/detail/CVE-2026-35356","https://github.com/uutils/coreutils/pull/10140","https://github.com/uutils/coreutils/commit/0c41299975f3c1e21cf5ca968d42cad55ceb42a1","https://github.com/uutils/coreutils","https://github.com/uutils/coreutils/releases/tag/0.7.0"],"sourceUrl":"https://github.com/advisories/GHSA-gwm6-q8ch-hcfr","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-gwm6-q8ch-hcfr","identifiers":["GHSA-gwm6-q8ch-hcfr","CVE-2026-35356"]},"retained":false,"historicalAffected":[]}],"coverage":[]}