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OpenSSH flaw lets attackers log into password-disabled Linux accounts

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vulnerabilities

OpenSSH flaw lets attackers log into password-disabled Linux accounts

A newly disclosed OpenSSH vulnerability allows attackers to log into Alpine Linux and other musl-based systems where password authentication is disabled by submitting an oversized password. The flaw, dubbed "*sshole," affects accounts configured to reject password logins. This undermines a common security configuration intended to enforce alternative authentication methods.

Why it matters: Linux system administrators running Alpine Linux or musl-based distributions with password authentication disabled need to patch immediately, as the vulnerability allows unauthorized login despite protective account settings.

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Correction

Correction recorded as of .

vulnerabilities

OpenSSH flaw lets attackers log into password-disabled Linux accounts

A newly disclosed OpenSSH vulnerability allows attackers to log into Alpine Linux and other musl-based systems where password authentication is disabled by submitting an oversized password. The flaw, dubbed "*sshole," affects accounts configured to reject password logins. This undermines a common security configuration intended to enforce alternative authentication methods.

Why it matters: Linux system administrators running Alpine Linux or musl-based distributions with password authentication disabled need to patch immediately, as the vulnerability allows unauthorized login despite protective account settings.

Source published
First seen by Cybersecurity Tracker

Source attribution

Glossary