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CVE-2013-1623

UnknownEPSS 2.42%

Last modified

CVE-2013-1623 is a vulnerability of currently unknown severity. The TLS and DTLS implementations in wolfSSL CyaSSL before 2.5.0 do not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.. EPSS estimates a 2.42% chance of exploitation in the next 30 days.

Description

The TLS and DTLS implementations in wolfSSL CyaSSL before 2.5.0 do not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.

Metrics

EPSS Probability
2.42%

82.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
YasslCyassl<= 2.4.6—
YasslCyassl0.2.0—
YasslCyassl0.3.0—
YasslCyassl0.4.0—
YasslCyassl0.5.0—
YasslCyassl0.5.5—
YasslCyassl0.6.0—
YasslCyassl0.6.2—
YasslCyassl0.6.3—
YasslCyassl0.8.0—
YasslCyassl0.9.0—
YasslCyassl0.9.6—
YasslCyassl0.9.8—
YasslCyassl0.9.9—
YasslCyassl1.0.0Rc1
YasslCyassl1.0.2—
YasslCyassl1.0.3—
YasslCyassl1.0.6—
YasslCyassl1.1.0—
YasslCyassl1.2.0—
YasslCyassl1.3.0—
YasslCyassl1.4.0—
YasslCyassl1.5.0—
YasslCyassl1.5.4—
YasslCyassl1.5.6—
YasslCyassl1.6.0—
YasslCyassl1.6.5—
YasslCyassl1.8.0—
YasslCyassl1.9.0—
YasslCyassl2.0.0Rc1
YasslCyassl2.0.2—
YasslCyassl2.0.6—
YasslCyassl2.0.8—
YasslCyassl2.2.0—
YasslCyassl2.3.0—
YasslCyassl2.4.0—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-1623?
The TLS and DTLS implementations in wolfSSL CyaSSL before 2.5.0 do not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.
How severe is CVE-2013-1623?
Severity scoring for CVE-2013-1623 is pending analysis. The EPSS model estimates a 2.42% probability of exploitation in the next 30 days.
How do I fix CVE-2013-1623?
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-2013-1623?

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

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Source: NVD / NIST