Buffer Overflow Vulnerability in lwIP Affects Free Software Foundation
CVE-2020-22284

7.5HIGH

Key Information:

Vendor

Lwip Project

Status
Lwip
Vendor
CVE Published:
22 July 2021

What is CVE-2020-22284?

A buffer overflow vulnerability exists in the zepif_linkoutput() function of the lwIP stack, allowing attackers to exploit crafted 6LoWPAN packets. This flaw can lead to unauthorized access to sensitive information, highlighting the need for prompt security measures and updates to protect affected systems.

References

https://savannah.nongnu.org/bugs/index.php?58554
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.