PT-2023-32161 · Canonical · Lxd+1

Eslerm + 1 · Published 2023-12-11 · Updated 2023-12-18 · CVE-2023-5536

Positive Technologies (AI Summary)

CVSS v3.1

5.0

Medium

Base vector

AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions LXD (affected versions not specified) Ubuntu Server (affected versions not specified)

Description A feature in LXD affects the default configuration of Ubuntu Server, allowing privileged users in the lxd group to escalate their privilege to root without requiring a sudo password.

Recommendations For LXD, consider restricting access to the lxd group to minimize the risk of exploitation. For Ubuntu Server, review and modify the default configuration to require a sudo password for privilege escalation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

CVE-2023-5536

Affected Products

Lxd

Ubuntu Server

References · 11

• https://osv.dev/vulnerability/UBUNTU-CVE-2023-5536 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-5536 · Vendor Advisory
• https://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4 · Vendor Advisory
• https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1829071 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-5536 · Security Note
• https://ubuntu.com/security/CVE-2023-5536 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-5536 · Security Note
• https://t.me/cvenotify/64002 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5536 · Note
• https://twitter.com/VulmonFeeds/status/1734465005385335241 · Twitter Post
• https://twitter.com/CVEnew/status/1734401943991377970 · Twitter Post