CVE-2020-13776

MEDIUM

Description

systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082.

References

https://github.com/systemd/systemd/issues/15985

https://lists.fedoraproject.org/archives/list/[email protected]/message/IYGLFEKG45EYBJ7TPQMLWROWPTZBEU63/

https://security.netapp.com/advisory/ntap-20200611-0003/

Details

Source: MITRE

Published: 2020-06-03

Updated: 2020-07-30

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 6.2

Vector: AV:L/AC:H/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 1.9

Severity: MEDIUM

CVSS v3.0

Base Score: 6.7

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

Impact Score: 5.9

Exploitability Score: 0.8

Severity: MEDIUM