CVE-2020-25657
M2Crypto RSA Timing Attack
Description
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.
INFO
Published Date :
Jan. 12, 2021, 3:15 p.m.
Last Modified :
Feb. 12, 2023, 11:40 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Public PoC/Exploit Available at Github
CVE-2020-25657 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2020-25657
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-25657.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1889823 | Issue Tracking Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Java
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-25657 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-25657 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Removed CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Removed Reference https://access.redhat.com/errata/RHSA-2021:1169 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2020-25657 [No Types Assigned] Added CWE Red Hat, Inc. CWE-385 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Added CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added Reference https://access.redhat.com/errata/RHSA-2021:1169 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2020-25657 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-385 Removed CWE Reason CWE-385 / CWE from CNA not within 1003 View -
Reanalysis by [email protected]
Apr. 07, 2021
Action Type Old Value New Value Removed CWE NIST CWE-203 Added CWE NIST NVD-CWE-Other -
Modified Analysis by [email protected]
Mar. 25, 2021
Action Type Old Value New Value Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1889823 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1889823 Issue Tracking, Third Party Advisory Added CWE NIST CWE-203 Added CPE Configuration OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 08, 2021
Action Type Old Value New Value Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1889823,https://gitlab.com/m2crypto/m2crypto/-/issues/285 [Broken Link] Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1889823 Issue Tracking, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=1889823 No Types Assigned Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1889823 [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 19, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1889823,https://gitlab.com/m2crypto/m2crypto/-/issues/285 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1889823,https://gitlab.com/m2crypto/m2crypto/-/issues/285 Broken Link Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1889823 [Issue Tracking, Third Party Advisory] Added CPE Configuration OR *cpe:2.3:a:m2crypto_project:m2crypto:*:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-25657 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-25657
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.17 }} 0.02%
score
0.53376
percentile