Symlink attack in policycoreutils - CVE-2018-1063
Published: March 20, 2018 / Updated: March 20, 2018
Vulnerability identifier: #VU11180
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1063
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
policycoreutils
policycoreutils
Detailed vulnerability description
The vulnerability allows a local attacker to launch symlink attack on the target system.
The weakness exists in the /tmp and /var/tmp directories improper security restrictions when presenting the relabeling process through symlinks. A local attacker can modify the SELinux context of arbitrary files and conduct symlink attacks.
The weakness exists in the /tmp and /var/tmp directories improper security restrictions when presenting the relabeling process through symlinks. A local attacker can modify the SELinux context of arbitrary files and conduct symlink attacks.
How to mitigate CVE-2018-1063
Cybersecurity is currently unaware of any solutions addressing the vulnerability.