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CVE-2018-1053

7.0 · HIGH

In postgresql 9.3.x before 9.3.21, 9.4.x before 9.4.16, 9.5.x before 9.5.11, 9.6.x before 9.6.7 and 10.x before 10.2, pg_upgrade creates file in current working directory containing the output of `…

Published Feb 9, 2018CWE-377EPSS 0.48%

Overview

CVE-2018-1053 is a high-severity vulnerability. It was published on February 9, 2018 and has a CVSS 3.0 base score of 7.0 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In postgresql 9.3.x before 9.3.21, 9.4.x before 9.4.16, 9.5.x before 9.5.11, 9.6.x before 9.6.7 and 10.x before 10.2, pg_upgrade creates file in current working directory containing the output of `pg_dumpall -g` under umask which was in effect when the user invoked pg_upgrade, and not under 0077 which is normally used for other temporary files. This can allow an authenticated attacker to read or modify the one file, which may contain encrypted or unencrypted database passwords. The attack is infeasible if a directory mode blocks the attacker searching the current working directory or if the prevailing umask blocks the attacker opening the file.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/102986Refaccess.redhat.com/errata/RHSA-2018:2511Refaccess.redhat.com/errata/RHSA-2018:2566Refaccess.redhat.com/errata/RHSA-2018:3816Reflists.debian.org/debian-lts-announce/2018/02/msg00006.htmlRefusn.ubuntu.com/3564-1/Refwww.postgresql.org/about/news/1829/Refwww.securityfocus.com/bid/102986Refaccess.redhat.com/errata/RHSA-2018:2511Refaccess.redhat.com/errata/RHSA-2018:2566

How CyberStrike helps

Frequently asked questions

What is CVE-2018-1053?

CVE-2018-1053 is a high-severity vulnerability. It was published on February 9, 2018 and has a CVSS 3.0 base score of 7.0 (HIGH).

How severe is CVE-2018-1053?

This vulnerability has a CVSS 3.0 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-1053?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-1053?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-1053 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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