CVE-2021-44730
Severity
8.8HIGH
EPSS
0.0%
top 88.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 17
Latest updateFeb 19
Description
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
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:HExploitability: 1.1 | Impact: 6.0
Affected Packages3 packages
Also affects: Debian Linux 10.0, 11.0, Fedora 34, 35, Ubuntu Linux 18.04, 20.04, 21.10