PoC Index85,101 CVEs with PoCs

CVE-2022-25898

Improper Verification of Cryptographic Signature

CRITICAL 9.8EPSS 1.2%

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.

Affected
jsrsasign
CVSS v3.1 NVD
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1 SNYK
7.7 HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
CVSS v3.1 GitHub
8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
CVSS v2.0 NVD
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
1.15% chance of exploitation in the next 30 days, 66th percentile
Published
2022-07-01
Updated
2024-09-16

Proof-of-concept exploits (4)

Security advisories

References