Strix
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CVE-2019-11500

UnknownEPSS 62.32%

Last modified

CVE-2019-11500 is a vulnerability of currently unknown severity. In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.. EPSS estimates a 62.32% chance of exploitation in the next 30 days.

Description

In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.

Metrics

EPSS Probability
62.32%

99.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DovecotDovecot< 2.2.36.4
DovecotDovecot>= 2.3.0, < 2.3.7.2
DovecotPigeonhole< 0.5.7.2
DebianDebian Linux8.0
FedoraprojectFedora30

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-11500?
In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.
How severe is CVE-2019-11500?
Severity scoring for CVE-2019-11500 is pending analysis. The EPSS model estimates a 62.32% probability of exploitation in the next 30 days.
How do I fix CVE-2019-11500?
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-2019-11500?

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

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Source: NVD / NIST