VDB-159947 · CVE-2020-15694 · GCVE-0-2020-15694

Nim 1.2.4 httpClient httpClient.get.contentLength Response input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Nim 1.2.4. The impacted element is the function httpClient.get.contentLength of the component httpClient. The manipulation as part of Response leads to input validation. This vulnerability is uniquely identified as CVE-2020-15694. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Nim 1.2.4. It has been rated as critical. This issue affects the function httpClient.get.contentLength of the component httpClient. The manipulation as part of a Response leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

In Nim 1.2.4, the standard library httpClient fails to properly validate the server response. For example, httpClient.get().contentLength() does not raise any error if a malicious server provides a negative Content-Length.

The weakness was disclosed 08/14/2020 (Website). It is possible to read the advisory at nim-lang.org. The identification of this vulnerability is CVE-2020-15694 since 07/13/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

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

The entries VDB-159945 and VDB-159946 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

1.2.4

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/13/2020 🔍
08/14/2020 +32 days 🔍
08/16/2020 +2 days 🔍
11/10/2020 +86 days 🔍

Sourcesinfo

Advisory: nim-lang.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-15694 (🔍)
GCVE (CVE): GCVE-0-2020-15694
GCVE (VulDB): GCVE-100-159947
See also: 🔍

Entryinfo

Created: 08/16/2020 08:36
Updated: 11/10/2020 07:23
Changes: 08/16/2020 08:36 (39), 08/16/2020 08:41 (17), 11/10/2020 07:23 (1)
Complete: 🔍
Cache ID: 216::103

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