FSF IwIP ICMPv6 Packet icmp6_send_response_with_addrs_and_netif buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in FSF IwIP. This impacts the function icmp6_send_response_with_addrs_and_netif of the component ICMPv6 Packet Handler. Performing a manipulation results in buffer overflow. This vulnerability was named CVE-2020-22283. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in FSF IwIP (the affected version is unknown). This affects the function icmp6_send_response_with_addrs_and_netif of the component ICMPv6 Packet Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality.

The weakness was presented 07/23/2021. It is possible to read the advisory at savannah.nongnu.org. This vulnerability is uniquely identified as CVE-2020-22283. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 320846 (Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : lwIP vulnerabilities (USN-8423-1)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (320846). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 320846
Nessus Name: Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : lwIP vulnerabilities (USN-8423-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
07/23/2021 +344 days 🔍
07/23/2021 +0 days 🔍
06/12/2026 +1785 days 🔍

Sourcesinfo

Advisory: savannah.nongnu.org
Status: Not defined

CVE: CVE-2020-22283 (🔍)
GCVE (CVE): GCVE-0-2020-22283
GCVE (VulDB): GCVE-100-179463

Entryinfo

Created: 07/23/2021 07:52
Updated: 06/12/2026 23:53
Changes: 07/23/2021 07:52 (36), 07/27/2021 14:09 (2), 06/12/2026 23:53 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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