CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
19.8%
Severity: High
Date : 2020-03-11
CVE-ID : CVE-2019-18222
Package : mbedtls
Type : private key recovery
Remote : No
Link : https://security.archlinux.org/AVG-1104
The package mbedtls before version 2.16.5-1 is vulnerable to private
key recovery.
Upgrade to 2.16.5-1.
The problem has been fixed upstream in version 2.16.5.
None.
The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto before
3.0.1 and Mbed TLS before 2.20.0, 2.16.4 or 2.7.13 does not reduce the
blinded scalar before computing the inverse, which allows a local
attacker to recover the private key via side-channel attacks.
A local attacker can recover an ECDSA private key via side-channel
attacks.
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12
https://security.archlinux.org/CVE-2019-18222
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
19.8%