It is possible to cause cups-exec to execute backends without a sandbox profile by causing cupsdCreateProfile() to fail. An attacker that has obtained sandboxed root access can accomplish this by setting the CUPS temporary directory to immutable using chflags, which will prevent the profile from being written to disk.
Find out more about CVE-2018-4182 from the MITRE-CVE dictionary and NIST NVD
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| Product Name | Status | Defect | Fixed | Downloads |
|---|---|---|---|---|
| Linux 7 SCP | Not Vulnerable | -- | -- | -- |
| Linux 7 CGP | Not Vulnerable | -- | -- | -- |
cups
