CVE-2019-18222 describes a side-channel vulnerability in the ECDSA signature implementation of Arm Mbed Crypto 2.1 and Mbed TLS through 2.19.1. A local attacker can exploit a flaw in the blinded scalar reduction to recover the private key. Rated Medium with a CVSS score of 4.7, this vulnerability requires high attack complexity and local access to achieve high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.0.0CPE matchmatch criteria | cpe:2.3:a:arm:mbed_crypto:*:*:*:*:*:*:*:* | ||
< 2.7.13CPE matchmatch criteria | cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | ||
>= 2.8.0, < 2.16.4CPE matchmatch criteria | cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | ||
>= 2.17.0, < 2.20.0CPE matchmatch criteria | cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | ||
30CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.