CVE-2024-21484

7.5 HIGH
Published: January 22, 2024 Modified: June 22, 2026
View on NVD

Description

Versions of the package jsrsasign before 11.0.0 are vulnerable to Observable Discrepancy via the RSA PKCS1.5 or RSAOAEP decryption process. An attacker can decrypt ciphertexts by exploiting the Marvin security flaw. Exploiting this vulnerability requires the attacker to have access to a large number of ciphertexts encrypted with the same key. Workaround The vulnerability can be mitigated by finding and replacing RSA and RSAOAEP decryption with another crypto library.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/kjur/jsrsasign/issues/598
Source: report@snyk.io
Exploit Issue Tracking Vendor Advisory
https://github.com/kjur/jsrsasign/releases/tag/11.0.0
Source: report@snyk.io
Patch Release Notes
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-6070734
Source: report@snyk.io
Patch Third Party Advisory
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBKJUR-6070733
Source: report@snyk.io
Patch Third Party Advisory
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-6070732
Source: report@snyk.io
Patch Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-6070731
Source: report@snyk.io
Patch Third Party Advisory
https://github.com/kjur/jsrsasign/issues/598
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Vendor Advisory
https://github.com/kjur/jsrsasign/releases/tag/11.0.0
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Release Notes
https://people.redhat.com/~hkario/marvin/
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-6070734
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBKJUR-6070733
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-6070732
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-6070731
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
1.0%
57th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

kjur