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freebsdFreeBSDBF1F47C4-7F1B-11EA-BF94-001CC0382B2F
HistoryApr 14, 2020 - 12:00 a.m.

Mbed TLS -- Side channel attack on ECDSA

2020-04-1400:00:00
vuxml.freebsd.org
14

4.7 Medium

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

1.9 Low

CVSS2

Access Vector

LOCAL

Access 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

0.001 Low

EPSS

Percentile

22.8%

JSON

Manuel Pégourié-Gonnard reports:

An attacker with access to precise enough timing and memory access
information (typically an untrusted operating system attacking a
secure enclave such as SGX or the TrustZone secure world) can fully
recover an ECDSA private key after observing a number of signature
operations.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchmbedtls< 2.16.6UNKNOWN

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4.7 Medium

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

1.9 Low

CVSS2

Access Vector

LOCAL

Access 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

0.001 Low

EPSS

Percentile

22.8%

JSON
Related for BF1F47C4-7F1B-11EA-BF94-001CC0382B2F
suse2veracode1cve1debiancve1nessus5openvas5ubuntucve1archlinux1prion1fedora2osv2mageia1alpinelinux1debian1