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CVE-2013-6171

UnknownEPSS 1.46%

Last modified

CVE-2013-6171 is a vulnerability of currently unknown severity. checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.. EPSS estimates a 1.46% chance of exploitation in the next 30 days.

Description

checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.

Metrics

EPSS Probability
1.46%

70.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
DovecotDovecot<= 2.2.6—
DovecotDovecot2.0Beta1
DovecotDovecot2.0.0—
DovecotDovecot2.0.1—
DovecotDovecot2.0.2—
DovecotDovecot2.0.3—
DovecotDovecot2.0.4—
DovecotDovecot2.0.5—
DovecotDovecot2.0.6—
DovecotDovecot2.0.7—
DovecotDovecot2.0.8—
DovecotDovecot2.0.9—
DovecotDovecot2.0.10—
DovecotDovecot2.0.11—
DovecotDovecot2.0.12—
DovecotDovecot2.0.13—
DovecotDovecot2.0.14—
DovecotDovecot2.0.15—
DovecotDovecot2.1Rc1
DovecotDovecot2.1.0—
DovecotDovecot2.1.1—
DovecotDovecot2.1.2—
DovecotDovecot2.1.3—
DovecotDovecot2.1.4—
DovecotDovecot2.1.5—
DovecotDovecot2.1.6—
DovecotDovecot2.1.7—
DovecotDovecot2.1.10—
DovecotDovecot2.1.11—
DovecotDovecot2.1.12—
DovecotDovecot2.1.13—
DovecotDovecot2.1.14—
DovecotDovecot2.1.15—
DovecotDovecot2.2Rc1
DovecotDovecot2.2.0—
DovecotDovecot2.2.1—
DovecotDovecot2.2.2—
DovecotDovecot2.2.3—
DovecotDovecot2.2.4—
DovecotDovecot2.2.5—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-6171?
checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.
How severe is CVE-2013-6171?
Severity scoring for CVE-2013-6171 is pending analysis. The EPSS model estimates a 1.46% probability of exploitation in the next 30 days.
How do I fix CVE-2013-6171?
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.

Are you affected by CVE-2013-6171?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST