Red Hat: CVE-2024-5742: nano: running `chmod` and `chown` on the filename allows malicious user to replace the emergency file with a malicious symlink to a root-owned file (Multiple Advisories)

Red Hat: CVE-2024-5742: nano: running `chmod` and `chown` on the filename allows malicious user to replace the emergency file with a malicious symlink to a root-owned file (Multiple Advisories)

Severity

4

CVSS

(AV:L/AC:H/Au:S/C:N/I:C/A:N)

Published

06/12/2024

Created

09/26/2024

Added

09/25/2024

Modified

11/13/2024

Description

A vulnerability was found in GNU Nano that allows a possible privilege escalation through an insecure temporary file. If Nano is killed while editing, a file it saves to an emergency file with the permissions of the running user provides a window of opportunity for attackers to escalate privileges through a malicious symlink.

Solution(s)

• redhat-upgrade-nano
• redhat-upgrade-nano-debuginfo
• redhat-upgrade-nano-debugsource

References

• CVE-2024-5742
• RHSA-2024:6986
• RHSA-2024:9430