njs up to 0.4.3 njs_value.c njs_value_property input validation ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in njs up to 0.4.3. This vulnerability affects the function njs_value_property of the file njs_value.c. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2020-24349. The attack is only possible with local access. There is not any exploit available. The real existence of this vulnerability is still doubted at the moment.

Detailsinfo

A vulnerability classified as critical has been found in njs up to 0.4.3. This affects the function njs_value_property of the file njs_value.c. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

njs through 0.4.3, used in NGINX, allows control-flow hijack in njs_value_property in njs_value.c. NOTE: the vendor considers the issue to be "fluff" in the NGINX use case because there is no remote attack surface.

The weakness was released 08/13/2020. This vulnerability is uniquely identified as CVE-2020-24349 since 08/13/2020. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-159920, VDB-159919 and VDB-159918. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Nginx

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
08/13/2020 +0 days 🔍
08/14/2020 +1 days 🔍
11/09/2020 +87 days 🔍

Sourcesinfo

Status: Not defined
Confirmation: 🔍
Disputed: 🔍

CVE: CVE-2020-24349 (🔍)
GCVE (CVE): GCVE-0-2020-24349
GCVE (VulDB): GCVE-100-159921
See also: 🔍

Entryinfo

Created: 08/14/2020 07:39
Updated: 11/09/2020 23:55
Changes: 08/14/2020 07:39 (38), 08/14/2020 07:44 (17), 11/09/2020 23:55 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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