Buffer Overflow in musl libc Affects Various Linux Distributions
CVE-2020-28928

5.5MEDIUM

Key Information:

Vendor

Musl-libc

Status
Vendor
CVE Published:
24 November 2020

What is CVE-2020-28928?

The vulnerability in musl libc involves the wcsnrtombs function failing to properly handle certain combinations of destination buffer size and source character limit. This oversight can lead to invalid memory access, resulting in a buffer overflow condition. Such vulnerabilities can be exploited by attackers to execute arbitrary code or crash applications relying on musl libc, affecting multiple Linux distributions.

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References

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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