CVE-2020-28928

2020-11-2418:15:12

Debian Security Bug Tracker

security-tracker.debian.org

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

20.3%

JSON

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).

OSVersionArchitecturePackageVersionFilename
Debian12allmusl< 1.2.2-1musl_1.2.2-1_all.deb
Debian11allmusl< 1.2.2-1musl_1.2.2-1_all.deb
Debian999allmusl< 1.2.2-1musl_1.2.2-1_all.deb
Debian13allmusl< 1.2.2-1musl_1.2.2-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	musl	< 1.2.2-1	musl_1.2.2-1_all.deb
Debian	11	all	musl	< 1.2.2-1	musl_1.2.2-1_all.deb
Debian	999	all	musl	< 1.2.2-1	musl_1.2.2-1_all.deb
Debian	13	all	musl	< 1.2.2-1	musl_1.2.2-1_all.deb