Strix
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CVE-2014-3509

UnknownEPSS 13.36%

Last modified

CVE-2014-3509 is a vulnerability of currently unknown severity. Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.. EPSS estimates a 13.36% chance of exploitation in the next 30 days.

Description

Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.

Metrics

EPSS Probability
13.36%

95.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpensslOpenssl1.0.0
OpensslOpenssl1.0.0a
OpensslOpenssl1.0.0b
OpensslOpenssl1.0.0c
OpensslOpenssl1.0.0d
OpensslOpenssl1.0.0e
OpensslOpenssl1.0.0f
OpensslOpenssl1.0.0g
OpensslOpenssl1.0.0h
OpensslOpenssl1.0.0i
OpensslOpenssl1.0.0j
OpensslOpenssl1.0.0k
OpensslOpenssl1.0.0l
OpensslOpenssl1.0.0m
OpensslOpenssl1.0.1
OpensslOpenssl1.0.1a
OpensslOpenssl1.0.1b
OpensslOpenssl1.0.1c
OpensslOpenssl1.0.1d
OpensslOpenssl1.0.1e
OpensslOpenssl1.0.1f
OpensslOpenssl1.0.1g
OpensslOpenssl1.0.1h

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2014-3509?
Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.
How severe is CVE-2014-3509?
Severity scoring for CVE-2014-3509 is pending analysis. The EPSS model estimates a 13.36% probability of exploitation in the next 30 days.
How do I fix CVE-2014-3509?
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-2014-3509?

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

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Source: NVD / NIST