CVE-2022-25898

Public Exploit
Improper Verification of Cryptographic Signature

Description

The package jsrsasign before 10.5.25 are vulnerable to Improper Verification of Cryptographic Signature when JWS or JWT signature with non Base64URL encoding special characters or number escaped characters may be validated as valid by mistake. Workaround: Validate JWS or JWT signature if it has Base64URL and dot safe string before executing JWS.verify() or JWS.verifyJWT() method.

Category

7.7
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.69% Top 30%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory snyk.io Third-Party Advisory snyk.io Third-Party Advisory snyk.io Third-Party Advisory snyk.io
Affected: n/a jsrsasign
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-JS-JSRSASIGN-2869122 patch third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2935896 patch third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBKJUR-2935897 patch third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2935898 patch third party advisory exploit
https://github.com/kjur/jsrsasign/commit/4536a6e9e8bcf1a644ab7c07ed96e453347dae41 third party advisory patch
https://github.com/kjur/jsrsasign/releases/tag/10.5.25 third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2022-25898?
CVE-2022-25898 has been scored as a high severity vulnerability.
How to fix CVE-2022-25898?
To fix CVE-2022-25898, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-25898 being actively exploited in the wild?
It is possible that CVE-2022-25898 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-25898?
CVE-2022-25898 affects n/a jsrsasign.
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