Out-of-bounds Write Affecting musl package, versions <1.1.24-r10


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-ALPINE312-MUSL-1042762
  • published21 Nov 2020
  • disclosed24 Nov 2020

Introduced: 21 Nov 2020

CVE-2020-28928  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Alpine:3.12 musl to version 1.1.24-r10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream musl package and not the musl package as distributed by Alpine. See How to fix? for Alpine:3.12 relevant fixed versions and status.

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).

References

CVSS Scores

version 3.1