Security Vulnerability: Baron Samedit (aka CVE-2021-3156) - Heap-based buffer overflow in sudo

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Environment

SUSE Linux Enterprise Server 15 SP2
SUSE Linux Enterprise Server 15 SP1
SUSE Linux Enterprise Server 15 GA
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server 12 SP3
SUSE Linux Enterprise Server 12 SP2

Situation

Security researchers from Qualys discovered a new vulnerability in sudo which allows unauthenticated attackers to gain root privileges. The attacker needs to have access to the system as a user to exploit this vulnerability but once they are logged-in they do not need to provide any further authentication password to escalate their privilege to root.

The vulnerable code that causes the Heap-based buffer overflow was introduced in sudo version 1.8.2.

SUSE Linux Enterprise Server 12 and SUSE Linux Enterprise Server 15 products are affected.
SUSE Linux Enterprise Server 11 products are not affected.

Resolution

Fixes have been provided for the affected supported products.

Status

Security Alert

Additional Information

Workaround

There is no workaround.

References:

Disclaimer

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