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CVE-2015-5309

UnknownEPSS 3.47%

Last modified

CVE-2015-5309 is a vulnerability of currently unknown severity. Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.. EPSS estimates a 3.47% chance of exploitation in the next 30 days.

Description

Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.

Metrics

EPSS Probability
3.47%

87.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpensuseLeap42.1
OpensuseOpensuse13.1
OpensuseOpensuse13.2
Simon TathamPutty<= 0.65

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-5309?
Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.
How severe is CVE-2015-5309?
Severity scoring for CVE-2015-5309 is pending analysis. The EPSS model estimates a 3.47% probability of exploitation in the next 30 days.
How do I fix CVE-2015-5309?
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