Riskcovery

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

State
Published
Severity
6.7 Medium
Published
Jun 12, 2024
Updated
Oct 15, 2026
Reserved
Jun 7, 2024

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.16.7 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:Hredhat

Weaknesses

  • CWE-59 Improper Link Resolution Before File Access ('Link Following')

Affected Products

ProductVersions
nano
    Red Hat Enterprise Linux 8Red Hat
    • 0:2.9.8-3.el8_10 and laterNot affected
    Red Hat Enterprise Linux 9Red Hat
    • 0:5.6.1-6.el9 and laterNot affected
    Red Hat Enterprise Linux 10Red Hat
      Red Hat Enterprise Linux 6Red Hat
        Red Hat Enterprise Linux 7Red Hat

          References

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