VDB-166085 · CVE-2020-17440 · icsa-20-343-01

uIP 1.0 DNS Response resolv.c newdata/parse_name null pointer dereference

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in uIP 1.0 and classified as problematic. The impacted element is the function newdata/parse_name of the file resolv.c of the component DNS Response Handler. The manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2020-17440. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in uIP 1.0. It has been rated as problematic. This issue affects the function newdata/parse_name of the file resolv.c of the component DNS Response Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The weakness was published 12/12/2020 as icsa-20-343-01. The advisory is shared at us-cert.cisa.gov. The identification of this vulnerability is CVE-2020-17440. Technical details are known, but no exploit is available.

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

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Productinfo

Name

Version

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

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

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: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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

08/07/2020 🔍
12/12/2020 +127 days 🔍
12/12/2020 +0 days 🔍
12/16/2020 +4 days 🔍

Sourcesinfo

Advisory: icsa-20-343-01
Status: Not defined

CVE: CVE-2020-17440 (🔍)
GCVE (CVE): GCVE-0-2020-17440
GCVE (VulDB): GCVE-100-166085

Entryinfo

Created: 12/12/2020 07:08
Updated: 12/16/2020 13:08
Changes: 12/12/2020 07:08 (38), 12/16/2020 13:08 (2)
Complete: 🔍
Cache ID: 216::103