Qualys Research Labs disclosed a heap-based buffer overflow vulnerability (CVE-2021-3156, also known as Baron Samedit) in sudo, which on successful exploitation allows any local user to escalate privileges to root.
Following the news, Huawei has launched an immediate investigation. The investigation is still ongoing. Huawei PSIRT will provide technical conclusions as soon as possible and update this SN as new information emerges.
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