CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $0-$5k | 0.00 |
A vulnerability has been found in Jsonwebtoken Module up to 4.2.1 on Node.js (JavaScript Library) and classified as critical. This vulnerability affects an unknown function of the component Token Handler. The manipulation with an unknown input leads to a risky encryption vulnerability. The CWE definition for the vulnerability is CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
In jsonwebtoken node module before 4.2.2 it is possible for an attacker to bypass verification when a token digitally signed with an asymetric key (RS/ES family) of algorithms but instead the attacker send a token digitally signed with a symmetric algorithm (HS* family)
The bug was discovered 10/17/2015. The weakness was published 05/29/2018 (Website). The advisory is shared for download at auth0.com. This vulnerability was named CVE-2015-9235 since 10/29/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.
The vulnerability was handled as a non-public zero-day exploit for at least 955 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 4.2.2 eliminates this vulnerability.
Similar entry is available at 118438.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Risky encryptionCWE: CWE-327 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Jsonwebtoken Module 4.2.2
Patch: github.com
Timeline
10/17/2015 🔍10/29/2017 🔍
05/29/2018 🔍
05/29/2018 🔍
05/30/2018 🔍
03/17/2023 🔍
Sources
Advisory: 1bb584bc382295eeb7ee8c4452a673a77a68b687Status: Not defined
CVE: CVE-2015-9235 (🔍)
See also: 🔍
Entry
Created: 05/30/2018 08:45Updated: 03/17/2023 14:45
Changes: 05/30/2018 08:45 (61), 02/09/2020 15:21 (1), 03/17/2023 14:45 (5)
Complete: 🔍
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