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.
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
|Base Score:||Base Metrics:|
|Access Vector:||Undefined||Attack Complexity:||Undefined|
|Privileges Required:||None||User Interaction:||None|
|Integrity Impact:||Undefined||Availability Impact:||Undefined|
|Oracle Linux version 8 (systemd)||ELSA-2021-1611||2021-05-25|
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