CVE-2017-0898
high-risk
Published 2017-09-15
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.
Do I need to act?
~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10
Critical
NETWORK
/ LOW complexity
Affected Vendors
References (26)
Third Party Advisory
http://www.securityfocus.com/bid/100862
Third Party Advisory
http://www.securitytracker.com/id/1039363
Third Party Advisory
http://www.securityfocus.com/bid/100862
Third Party Advisory
http://www.securitytracker.com/id/1039363
and 6 more references
52
/ 100
high-risk
Severity
31/34 · Critical
Exploitability
3/34 · Minimal
Exposure
18/34 · Moderate