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
Risk Information
Base Score
8.8
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.039
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| snapd security update(DSA-5080-1) snapd_2.49-1+deb11u1_amd64.deb | Linux |
| snapd security update(DSA-5080-1) snapd_2.37.4-1+deb10u1_i386.deb | Linux |
| snapd security update(DSA-5080-1) snapd_2.37.4-1+deb10u1_amd64.deb | Linux |
| Daemon and tooling that enable snap packages (USN-5292-1) snapd_2.54.3+18.04_i386.deb | Linux |
| Daemon and tooling that enable snap packages (USN-5292-1) snapd_2.54.3+18.04_amd64.deb | Linux |
| Daemon and tooling that enable snap packages (USN-5292-1) snapd_2.54.3+21.10.1_amd64.deb | Linux |
| Daemon and tooling that enable snap packages (USN-5292-1) snap-confine_2.54.3+18.04_i386.deb | Linux |
| Daemon and tooling that enable snap packages (USN-5292-1) snap-confine_2.54.3+18.04_amd64.deb | Linux |
| Daemon and tooling that enable snap packages (USN-5292-1) snap-confine_2.54.3+21.10.1_amd64.deb | Linux |
Patch Details
No records foundReferences
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234