ZRender up to 5.2.0 src/core/util.ts merge/clone code injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in ZRender up to 5.2.0. Affected is the function merge/clone of the file src/core/util.ts. This manipulation causes code injection.
This vulnerability appears as CVE-2021-39227. The attack may be initiated remotely. There is no available exploit.
You should upgrade the affected component.
Details
A vulnerability classified as critical was found in ZRender up to 5.2.0. Affected by this vulnerability is the function merge/clone of the file src/core/util.ts. 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 presented 09/17/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-39227 since 08/16/2021. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.
Upgrading to version 5.2.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. 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.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.1
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 6.2
CNA Vector (GitHub, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: ZRender 5.2.1
Patch: github.com
Timeline
08/16/2021 🔍09/17/2021 🔍
09/17/2021 🔍
09/22/2021 🔍
Sources
Advisory: github.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-39227 (🔍)
GCVE (CVE): GCVE-0-2021-39227
GCVE (VulDB): GCVE-100-182863
Entry
Created: 09/17/2021 21:24Updated: 09/22/2021 14:35
Changes: 09/17/2021 21:24 (51), 09/22/2021 14:35 (2)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
cpe:2.3:a:baidu:zrender:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:baidu:zrender:5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:baidu:zrender:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:baidu:zrender:5.1.0:*:*:*:*:*:*:*
cpe:2.3:a:baidu:zrender:5.1.1:*:*:*:*:*:*:*
cpe:2.3:a:baidu:zrender:5.2.0:*:*:*:*:*:*:*