CVE-2020-17478 : ECDSA/EC/Point.pm in Crypt::Perl before 0.33 does not properly consider timing attacks against the EC point multiplicati

ECDSA/EC/Point.pm in Crypt::Perl before 0.33 does not properly consider timing attacks against the EC point multiplication algorithm.

Published 2020-08-10 18:15:13

Updated 2020-08-12 15:31:23

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-17478

EPSS FAQ

0.17%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 53 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-17478

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2020-17478

CWE-203 Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Assigned by: nvd@nist.gov (Primary)

Products affected by CVE-2020-17478

P5-crypt-perl Project » P5-crypt-perl » For Perl
Versions before (<) 0.33
cpe:2.3:a:p5-crypt-perl_project:p5-crypt-perl:*:*:*:*:*:perl:*:*
Matching versions

Vulnerability Details : CVE-2020-17478

Exploit prediction scoring system (EPSS) score for CVE-2020-17478

CVSS scores for CVE-2020-17478

CWE ids for CVE-2020-17478

References for CVE-2020-17478

Products affected by CVE-2020-17478