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CVE-2019-19240

MEDIUMCVSS 5.3/10EPSS 1.54%

Last modified

CVE-2019-19240 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Embedthis GoAhead before 5.0.1 mishandles redirected HTTP requests with a large Host header. The GoAhead WebsRedirect uses a static host buffer that has a limited length and can overflow. EPSS estimates a 1.54% chance of exploitation in the next 30 days.

Description

Embedthis GoAhead before 5.0.1 mishandles redirected HTTP requests with a large Host header. The GoAhead WebsRedirect uses a static host buffer that has a limited length and can overflow. This can cause a copy of the Host header to fail, leaving that buffer uninitialized, which may leak uninitialized data in a response.

Metrics

CVSS 3.1
5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability
1.54%

71.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
EmbedthisGoahead< 5.0.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-19240?
Embedthis GoAhead before 5.0.1 mishandles redirected HTTP requests with a large Host header. The GoAhead WebsRedirect uses a static host buffer that has a limited length and can overflow. This can cause a copy of the Host header to fail, leaving that buffer uninitialized, which may leak uninitialized data in a response.
How severe is CVE-2019-19240?
CVE-2019-19240 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19240?
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-2019-19240?

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

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Source: NVD / NIST