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LIN10-6860 : Security Advisory - sudo - CVE-2019-19234

Created: Dec 19, 2019    Updated: Jan 9, 2020
Resolved Date: Dec 29, 2019
Found In Version: 10.17.41.1
Fix Version: 10.17.41.19
Severity: Standard
Applicable for: Wind River Linux LTS 17
Component/s: Userspace

Description

In Sudo through 1.8.29, the fact that a user has been blocked (e.g., by using the ! character in the shadow file instead of a password hash) is not considered, allowing an attacker (who has access to a Runas ALL sudoer account) to impersonate any blocked user.

CREATE(Triage):(User=admin) [CVE-2019-19234|https://nvd.nist.gov/vuln/detail/CVE-2019-19234]

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