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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

🗓️ 12 Nov 2024 09:32:26Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

GNU Nano flaw lets attacker replace the emergency file with a malicious symlink to a root file.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64nano5.6.1-6.el9nano-5.6.1-6.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lenano5.6.1-6.el9nano-5.6.1-6.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xnano5.6.1-6.el9nano-5.6.1-6.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64nano5.6.1-6.el9nano-5.6.1-6.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64nano-debuginfo5.6.1-6.el9nano-debuginfo-5.6.1-6.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lenano-debuginfo5.6.1-6.el9nano-debuginfo-5.6.1-6.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xnano-debuginfo5.6.1-6.el9nano-debuginfo-5.6.1-6.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64nano-debuginfo5.6.1-6.el9nano-debuginfo-5.6.1-6.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64nano-debugsource5.6.1-6.el9nano-debugsource-5.6.1-6.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lenano-debugsource5.6.1-6.el9nano-debugsource-5.6.1-6.el9.ppc64le.rpm
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18 Mar 2026 02:45Current
7.3High risk
Vulners AI Score7.3
CVSS 3.16.7
EPSS0.00346
SSVC
6