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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

🗓️ 24 Sep 2024 01:24:42Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 8 Views

GNU Nano vulnerability lets attackers replace the emergency file with a malicious symlink to escalate privileges.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10aarch64nano2.9.8-3.el8_10nano-2.9.8-3.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lenano2.9.8-3.el8_10nano-2.9.8-3.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xnano2.9.8-3.el8_10nano-2.9.8-3.el8_10.s390x.rpm
Red Hat Enterprise Linux8.10x86_64nano2.9.8-3.el8_10nano-2.9.8-3.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64nano-debuginfo2.9.8-3.el8_10nano-debuginfo-2.9.8-3.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lenano-debuginfo2.9.8-3.el8_10nano-debuginfo-2.9.8-3.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xnano-debuginfo2.9.8-3.el8_10nano-debuginfo-2.9.8-3.el8_10.s390x.rpm
Red Hat Enterprise Linux8.10x86_64nano-debuginfo2.9.8-3.el8_10nano-debuginfo-2.9.8-3.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64nano-debugsource2.9.8-3.el8_10nano-debugsource-2.9.8-3.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lenano-debugsource2.9.8-3.el8_10nano-debugsource-2.9.8-3.el8_10.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
8