picoTCP/picoTCP-NG up to 1.7.0 Domain Name Decompression pico_dns_common.c pico_dns_decompress_name out-of-bounds

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 (≈)
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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.
5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in picoTCP and picoTCP-NG up to 1.7.0 and classified as problematic. Affected by this vulnerability is the function pico_dns_decompress_name of the file pico_dns_common.c of the component Domain Name Decompression Handler. Such manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2020-24339. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in picoTCP and picoTCP-NG up to 1.7.0 and classified as problematic. Affected by this issue is the function pico_dns_decompress_name of the file pico_dns_common.c of the component Domain Name Decompression Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability.

The weakness was published 12/12/2020 as icsa-20-343-01. The advisory is shared for download at us-cert.cisa.gov. This vulnerability is handled as CVE-2020-24339. There are known technical details, 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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

08/13/2020 🔍
12/12/2020 +121 days 🔍
12/12/2020 +0 days 🔍
12/16/2020 +4 days 🔍

Sourcesinfo

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

CVE: CVE-2020-24339 (🔍)
GCVE (CVE): GCVE-0-2020-24339
GCVE (VulDB): GCVE-100-166100

Entryinfo

Created: 12/12/2020 07:32
Updated: 12/16/2020 15:04
Changes: 12/12/2020 07:32 (38), 12/16/2020 14:58 (2), 12/16/2020 15:04 (18)
Complete: 🔍
Cache ID: 216::103

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