cve/2021/CVE-2021-44730.md

CVE-2021-44730

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

POC

Reference

• http://www.openwall.com/lists/oss-security/2022/02/23/1

Github

• https://github.com/ARPSyndicate/cvemon