CVE-2018-12356: 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...

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.

Metrics

EPSS Probability

4.65%

90.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-347

Affected Software

Vendor	Product	Versions
Simple Password Store Project	Simple Password Store	>= 1.7.0, < 1.7.2

References

http://openwall.com/lists/oss-security/2018/06/14/3Mailing List, Third Party Advisory
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Apr/38Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/30/4Mailing List, Third Party Advisory
https://git.zx2c4.com/password-store/commit/?id=8683403b77f59c56fcb1f05c61ab33b9fd61a30dPatch, Third Party Advisory
https://github.com/RUB-NDS/Johnny-You-Are-Fired
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
https://lists.zx2c4.com/pipermail/password-store/2018-June/003308.htmlMailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2018/06/14/3Mailing List, Third Party Advisory
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Apr/38Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/30/4Mailing List, Third Party Advisory
https://git.zx2c4.com/password-store/commit/?id=8683403b77f59c56fcb1f05c61ab33b9fd61a30dPatch, Third Party Advisory
https://github.com/RUB-NDS/Johnny-You-Are-Fired
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
https://lists.zx2c4.com/pipermail/password-store/2018-June/003308.htmlMailing List, Third Party Advisory

Timeline

Published: Jun 15, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-12356?

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.

How severe is CVE-2018-12356?

Severity scoring for CVE-2018-12356 is pending analysis. The EPSS model estimates a 4.65% probability of exploitation in the next 30 days.

How do I fix CVE-2018-12356?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2018

View all 2018CVEs →