CVE-2020-14367

Katalog CVE

CVSS 6.0 · Medium EPSS 0,49%

Kerentanan Improper Link Resolution Before File Access ('Link Following') pada tuxfamily chrony, fedoraproject fedora +1 lainnya. Skor CVSS 3.1 6.0 (Medium) menurut NVD.

Deskripsi (NVD)

A flaw was found in chrony versions before 3.5.1 when creating the PID file under the /var/run/chrony folder. The file is created during chronyd startup while still running as the root user, and when it's opened for writing, chronyd does not check for an existing symbolic link with the same file name. This flaw allows an attacker with privileged access to create a symlink with the default PID file name pointing to any destination file in the system, resulting in data loss and a denial of service due to the path traversal.

Rincian

Terbit di NVD

24 Agustus 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.0 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-59: Improper Link Resolution Before File Access ('Link Following')

EPSS (30 hari)

0,49% peluang dieksploitasi; lebih tinggi dari 40,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1870298 issue tracking · patch · advisory vendor
• https://security.gentoo.org/glsa/202008-23 advisory pihak ketiga
• https://usn.ubuntu.com/4475-1/ advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WKABKNLCSC3M...