Strix
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CVE-2013-1740

UnknownEPSS 1.93%

Last modified

CVE-2013-1740 is a vulnerability of currently unknown severity. The ssl_Do1stHandshake function in sslsecur.c in libssl in Mozilla Network Security Services (NSS) before 3.15.4, when the TLS False Start feature is enabled, allows man-in-the-middle attackers to spoof SSL servers by using an arbitrary X.509 certificate during certain handshake traffic.. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

Description

The ssl_Do1stHandshake function in sslsecur.c in libssl in Mozilla Network Security Services (NSS) before 3.15.4, when the TLS False Start feature is enabled, allows man-in-the-middle attackers to spoof SSL servers by using an arbitrary X.509 certificate during certain handshake traffic.

Metrics

EPSS Probability
1.93%

77.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaNetwork Security Services<= 3.15.3
MozillaNetwork Security Services3.2
MozillaNetwork Security Services3.2.1
MozillaNetwork Security Services3.3
MozillaNetwork Security Services3.3.1
MozillaNetwork Security Services3.3.2
MozillaNetwork Security Services3.4
MozillaNetwork Security Services3.4.1
MozillaNetwork Security Services3.4.2
MozillaNetwork Security Services3.5
MozillaNetwork Security Services3.6
MozillaNetwork Security Services3.6.1
MozillaNetwork Security Services3.7
MozillaNetwork Security Services3.7.1
MozillaNetwork Security Services3.7.2
MozillaNetwork Security Services3.7.3
MozillaNetwork Security Services3.7.5
MozillaNetwork Security Services3.7.7
MozillaNetwork Security Services3.8
MozillaNetwork Security Services3.9
MozillaNetwork Security Services3.11.2
MozillaNetwork Security Services3.11.3
MozillaNetwork Security Services3.11.4
MozillaNetwork Security Services3.11.5
MozillaNetwork Security Services3.12
MozillaNetwork Security Services3.12.1
MozillaNetwork Security Services3.12.2
MozillaNetwork Security Services3.12.3
MozillaNetwork Security Services3.12.3.1
MozillaNetwork Security Services3.12.3.2
MozillaNetwork Security Services3.12.4
MozillaNetwork Security Services3.12.5
MozillaNetwork Security Services3.12.6
MozillaNetwork Security Services3.12.7
MozillaNetwork Security Services3.12.8
MozillaNetwork Security Services3.12.9
MozillaNetwork Security Services3.12.10
MozillaNetwork Security Services3.12.11
MozillaNetwork Security Services3.14
MozillaNetwork Security Services3.14.1
MozillaNetwork Security Services3.14.2
MozillaNetwork Security Services3.14.3
MozillaNetwork Security Services3.14.4
MozillaNetwork Security Services3.14.5
MozillaNetwork Security Services3.15
MozillaNetwork Security Services3.15.1
MozillaNetwork Security Services3.15.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-1740?
The ssl_Do1stHandshake function in sslsecur.c in libssl in Mozilla Network Security Services (NSS) before 3.15.4, when the TLS False Start feature is enabled, allows man-in-the-middle attackers to spoof SSL servers by using an arbitrary X.509 certificate during certain handshake traffic.
How severe is CVE-2013-1740?
Severity scoring for CVE-2013-1740 is pending analysis. The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.
How do I fix CVE-2013-1740?
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-2013-1740?

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

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Source: NVD / NIST