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cve[email protected]CVE-2020-12402
HistoryJul 09, 2020 - 3:15 p.m.

CVE-2020-12402

2020-07-0915:15:00
CWE-203
[email protected]
web.nvd.nist.gov
607
cve-2020-12402
rsa key generation
weak cryptography
nvd
vulnerability
side channel attacks

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N

5.4 Medium

AI Score

Confidence

Low

1.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:H/Au:N/C:P/I:N/A:N

0.001 Low

EPSS

Percentile

27.9%

JSON

During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean Algorithm which entailed significantly input-dependent flow. This allowed an attacker able to perform electromagnetic-based side channel attacks to record traces leading to the recovery of the secret primes. Note: An unmodified Firefox browser does not generate RSA keys in normal operation and is not affected, but products built on top of it might. This vulnerability affects Firefox < 78.

VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

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4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N

5.4 Medium

AI Score

Confidence

Low

1.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:H/Au:N/C:P/I:N/A:N

0.001 Low

EPSS

Percentile

27.9%

JSON
Related for CVE-2020-12402
fedora4veracode1ubuntucve1nessus44suse4debiancve1redhatcve1ubuntu2openvas5prion1osv5alpinelinux1debian3oraclelinux2almalinux1f51redhat10rocky1kaspersky2amazon2mageia1centos1gentoo1mozilla2altlinux2