handlebars Package up to 4.7.6 Prototype code injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in handlebars Package up to 4.7.6. This impacts an unknown function of the component Prototype Handler. Executing a manipulation can lead to code injection. This vulnerability is handled as CVE-2021-23383. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.
Details
A vulnerability was found in handlebars Package up to 4.7.6. It has been declared as critical. This vulnerability affects an unknown part of the component Prototype Handler. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 05/04/2021 as SNYK-JS-HANDLEBARS-1279029. The advisory is shared for download at snyk.io. This vulnerability was named CVE-2021-23383. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.
Upgrading to version 4.7.7 eliminates this vulnerability. Applying a patch 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.
Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Code injectionCWE: CWE-94 / CWE-74 / CWE-707
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: handlebars Package 4.7.7
Patch: github.com
Timeline
01/08/2021 🔍05/04/2021 🔍
05/04/2021 🔍
05/07/2021 🔍
Sources
Advisory: SNYK-JS-HANDLEBARS-1279029Status: Confirmed
CVE: CVE-2021-23383 (🔍)
GCVE (CVE): GCVE-0-2021-23383
GCVE (VulDB): GCVE-100-174436
Entry
Created: 05/04/2021 13:05Updated: 05/07/2021 13:46
Changes: 05/04/2021 13:05 (39), 05/07/2021 13:40 (5), 05/07/2021 13:46 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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