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CVE-2018-12356

9.8 · CRITICAL

An issue was discovered in password-store.sh in pass in Simple Password Store 1.7.x before 1.7.2.

Published Jun 15, 2018CWE-347EPSS 4.59%

Overview

CVE-2018-12356 is a critical-severity vulnerability. It was published on June 15, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An issue was discovered in password-store.sh in pass in Simple Password Store 1.7.x before 1.7.2. The signature verification routine parses the output of GnuPG with an incomplete regular expression, which allows remote attackers to spoof file signatures on configuration files and extension scripts. Modifying the configuration file allows the attacker to inject additional encryption keys under their control, thereby disclosing passwords to the attacker. Modifying the extension scripts allows the attacker arbitrary code execution.

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

Refopenwall.com/lists/oss-security/2018/06/14/3Refpacketstormsecurity.com/files/152703/Johnny-You-Are-Fired.htmlRefseclists.org/fulldisclosure/2019/Apr/38Refwww.openwall.com/lists/oss-security/2019/04/30/4Refgit.zx2c4.com/password-store/commit/?id=8683403b77f59c56fcb1f05c61ab33b9fd61a30dGitHubgithub.com/RUB-NDS/Johnny-You-Are-FiredGitHubgithub.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdfReflists.zx2c4.com/pipermail/password-store/2018-June/003308.htmlRefopenwall.com/lists/oss-security/2018/06/14/3Refpacketstormsecurity.com/files/152703/Johnny-You-Are-Fired.html

How CyberStrike helps

Frequently asked questions

What is CVE-2018-12356?

CVE-2018-12356 is a critical-severity vulnerability. It was published on June 15, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2018-12356?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-12356?

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-2018-12356?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-12356 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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