CVE-2019-0865
A denial of service vulnerability exists when SymCrypt improperly handles a specially crafted digital signature.An attacker could exploit the vulnerability by creating a specially crafted connection or message.The security update addresses the…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A denial of service vulnerability exists when SymCrypt improperly handles a specially crafted digital signature.An attacker could exploit the vulnerability by creating a specially crafted connection or message.The security update addresses the vulnerability by correcting the way SymCrypt handles digital signatures., aka 'SymCrypt Denial of Service Vulnerability'.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.50% probability · 91th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/windows 10 · microsoft/windows server 2016 · microsoft/windows server 2019
- Source
- secure@microsoft.com
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0865Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0865Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.