Out-of-bounds Write

Affecting musl package, versions <1.1.24-r10

Report new vulnerabilities
Do your applications use this vulnerable package? Test your applications

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write. In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).

Remediation

Upgrade musl to version or higher.

References

CVSS Score

5.5
medium severity
  • Attack Vector
    Local
  • Attack Complexity
    Low
  • Privileges Required
    Low
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2020-28928
CWE
CWE-787
Snyk ID
SNYK-ALPINE312-MUSL-1042762
Disclosed
24 Nov, 2020
Published
21 Nov, 2020