CVE-2017-14798

A race condition in the postgresql init script could be used by attackers able to access the postgresql account to escalate their privileges to root.

Weakness

The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files.

Affected Software

Potential Mitigations

• Follow the principle of least privilege when assigning access rights to entities in a software system.
• Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/27.html

References

• http://lists.suse.com/pipermail/sle-security-updates/2017-November/003420.html
• https://bugzilla.suse.com/show_bug.cgi?id=1062722
• https://www.exploit-db.com/exploits/45184/
• https://www.suse.com/de-de/security/cve/CVE-2017-14798/
• http://lists.suse.com/pipermail/sle-security-updates/2017-November/003420.html
• https://bugzilla.suse.com/show_bug.cgi?id=1062722
• https://www.exploit-db.com/exploits/45184/
• https://www.suse.com/de-de/security/cve/CVE-2017-14798/