Microsoft advisory for CVE-2019-18222
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-18222. This page also shows what EchelonGraph holds for CVE-2019-18222, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products3
- azl3 qemu 8.2.0-16 on Azure Linux 3.0
- cbl2 qemu 6.2.0-24 on CBL Mariner 2.0
- cbl2 qemu 6.2.0-24 on CBL-Mariner 2.0
🧭 EchelonGraph on CVE-2019-18222
- EchelonGraph score
- 4.7 MEDIUM
- CISA KEV
- Not listed
- Fix status
- A fix is available — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto 2.1 and Mbed TLS through 2.19.1 does not reduce the blinded scalar before computing the inverse, which allows a local attacker to recover the private key via side-channel attacks.
Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2019-18222, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).