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CVE-2017-0898

UnknownEPSS 9.72%

Last modified

CVE-2017-0898 is a vulnerability of currently unknown severity. Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.. EPSS estimates a 9.72% chance of exploitation in the next 30 days.

Description

Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.

Metrics

EPSS Probability
9.72%

94.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Ruby-LangRuby2.2.0
Ruby-LangRuby2.2.1
Ruby-LangRuby2.2.2
Ruby-LangRuby2.2.3
Ruby-LangRuby2.2.4
Ruby-LangRuby2.2.5
Ruby-LangRuby2.2.6
Ruby-LangRuby2.2.7
Ruby-LangRuby2.3.0
Ruby-LangRuby2.3.1
Ruby-LangRuby2.3.2
Ruby-LangRuby2.3.3
Ruby-LangRuby2.3.4
Ruby-LangRuby2.4.0
Ruby-LangRuby2.4.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-0898?
Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.
How severe is CVE-2017-0898?
Severity scoring for CVE-2017-0898 is pending analysis. The EPSS model estimates a 9.72% probability of exploitation in the next 30 days.
How do I fix CVE-2017-0898?
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