Creation of temporary file in directory with insecure permissions in bpftrace - CVE-2024-2313

Vulnerability identifier: #VU99853

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-2313

CWE-ID: CWE-379

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to software loads kernel headers from an insecure temporary directory. A local user can place malicious links headers into the temporary directory and escalate privileges on the system.

bpftrace
Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Anolis OS
bpftrace (Red Hat package)
bpftrace

Install updates from vendor's website.

bpftrace - update to 0.21.0
bpftrace (Red Hat package) - addressed in versions 0.16.0-6.el8_10, 0.21.1-1.el9
bpftrace - update to 0.16.0-8
bpftrace - update to 0.17.0-1

• https://github.com/bpftrace/bpftrace/commit/4be4b7191acb8218240e6b7178c30fa8c9b59998
• https://bugzilla.redhat.com/show_bug.cgi?id=2269014

• Privilege escalation in bpftrace
• Red Hat Enterprise Linux 8 update for bpftrace
• Amazon Linux AMI update for bpftrace
• Red Hat Enterprise Linux 9 update for bpftrace
• Anolis OS update for bpftrace