CVE-2021-44730

Katalog CVE

CVSS 8.8 · High EPSS 0,35%

Kerentanan Improper Link Resolution Before File Access ('Link Following') pada canonical snapd, canonical ubuntu linux +2 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1

Rincian

Terbit di NVD

17 Februari 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

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

EPSS (30 hari)

0,35% peluang dieksploitasi; lebih tinggi dari 26,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://ubuntu.com/security/notices/USN-5292-1 patch · advisory vendor
• http://www.openwall.com/lists/oss-security/2022/02/18/2 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2022/02/23/1 mailing list · advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5080 issue tracking · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTBN7LLZISXI...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGHG6LJAVJJ7...