Security Advisory

CVE-2019-18634

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-01-29 17:23:26

Last updated 2024-08-05 01:54:14

Assigner mitre

State PUBLISHED

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.

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