Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2020-25657

Date: January 12, 2021

A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.

Language: C

Severity Score

Related Resources (8)

https://people.canonical.com/~ubuntu-security/cve/CVE-2020-25657
https://access.redhat.com/security/cve/CVE-2020-25657
https://bugzilla.redhat.com/show_bug.cgi?id=1889823
https://nvd.nist.gov/vuln/detail/CVE-2020-25657
https://bugzilla.redhat.com/show_bug.cgi?id=1889823,https://gitlab.com/m2crypto/m2crypto/-/issues/285
https://security-tracker.debian.org/tracker/CVE-2020-25657
https://access.redhat.com/errata/RHSA-2021:1169
https://www.mend.io/vulnerability-database/CVE-2020-25657

Severity Score

Weakness Type (CWE)

Observable Discrepancy

CWE-203

Covert Timing Channel

CWE-385

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

Do you need more information?

Contact Us