jsrsasign up to 10.5.24 signature verification

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in jsrsasign up to 10.5.24. Affected by this issue is some unknown functionality. Performing a manipulation results in signature verification. This vulnerability is reported as CVE-2022-25898. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in jsrsasign up to 10.5.24. It has been classified as problematic. This affects an unknown functionality. The manipulation with an unknown input leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed 07/02/2022 as 4536a6e9e8bcf1a644ab7c07ed96e453347dae41. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2022-25898 since 02/24/2022. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 10.5.25 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 4536a6e9e8bcf1a644ab7c07ed96e453347dae41 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 7.7
CNA Vector (Snyk): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: jsrsasign 10.5.25
Patch: 4536a6e9e8bcf1a644ab7c07ed96e453347dae41

Timelineinfo

02/24/2022 🔍
07/02/2022 +127 days 🔍
07/02/2022 +0 days 🔍
06/22/2026 +1451 days 🔍

Sourcesinfo

Advisory: 4536a6e9e8bcf1a644ab7c07ed96e453347dae41
Status: Confirmed

CVE: CVE-2022-25898 (🔍)
GCVE (CVE): GCVE-0-2022-25898
GCVE (VulDB): GCVE-100-203127

Entryinfo

Created: 07/02/2022 09:04
Updated: 06/22/2026 13:03
Changes: 07/02/2022 09:04 (52), 07/18/2022 09:51 (18), 06/22/2026 13:03 (15)
Complete: 🔍
Cache ID: 216::103

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