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Fixed

LIN8-12038 : Security Advisory - sudo - CVE-2019-18634

Created: Feb 1, 2020    Updated: Apr 22, 2022
Resolved Date: Apr 20, 2020
Found In Version: 8.0.0.1
Fix Version: 8.0.0.33
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Userspace

Description

In Sudo before 1.8.26, if pwfeedback is enabled in /etc/sudoers, users can trigger a stack-based buffer overflow in the privileged sudo process. (pwfeedback is a default setting in Linux Mint and elementary OS; however, it is NOT the default for upstream and many other packages, and would exist only if enabled by an administrator.) The attacker needs to deliver a long string to the stdin of getln() in tgetpass.c.

CREATE(Triage):(User=admin) CVE-2019-18634 (https://nvd.nist.gov/vuln/detail/CVE-2019-18634)

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