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CVE-2013-1762

UnknownEPSS 2.93%

Last modified

CVE-2013-1762 is a vulnerability of currently unknown severity. stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer conversion, which allows remote proxy servers to execute arbitrary code via a crafted request that triggers a buffer overflow.. EPSS estimates a 2.93% chance of exploitation in the next 30 days.

Description

stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer conversion, which allows remote proxy servers to execute arbitrary code via a crafted request that triggers a buffer overflow.

Metrics

EPSS Probability
2.93%

85.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
StunnelStunnel<= 4.54
StunnelStunnel4.21
StunnelStunnel4.22
StunnelStunnel4.23
StunnelStunnel4.24
StunnelStunnel4.25
StunnelStunnel4.26
StunnelStunnel4.27
StunnelStunnel4.28
StunnelStunnel4.29
StunnelStunnel4.30
StunnelStunnel4.31
StunnelStunnel4.32
StunnelStunnel4.33
StunnelStunnel4.34
StunnelStunnel4.35
StunnelStunnel4.36
StunnelStunnel4.37
StunnelStunnel4.38
StunnelStunnel4.39
StunnelStunnel4.40
StunnelStunnel4.41
StunnelStunnel4.42
StunnelStunnel4.43
StunnelStunnel4.44
StunnelStunnel4.45
StunnelStunnel4.46
StunnelStunnel4.47
StunnelStunnel4.48
StunnelStunnel4.49
StunnelStunnel4.50
StunnelStunnel4.51
StunnelStunnel4.52
StunnelStunnel4.53

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-1762?
stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer conversion, which allows remote proxy servers to execute arbitrary code via a crafted request that triggers a buffer overflow.
How severe is CVE-2013-1762?
Severity scoring for CVE-2013-1762 is pending analysis. The EPSS model estimates a 2.93% probability of exploitation in the next 30 days.
How do I fix CVE-2013-1762?
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.

How Strix Helps

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Source: NVD / NIST