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LiteSpeed Vulnerabilities Can Result in Full Internet Server Takeover

By Eduard Kovacs on November 11, 2022

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LiteSpeed Internet Server vulnerabilities found by researchers at Palo Alto Networks will be exploited to take full management of a focused server.

The safety holes have been found throughout an audit of OpenLiteSpeed, the open supply model of the LiteSpeed performance-focused internet server made by LiteSpeed Applied sciences. Each variations are impacted by the vulnerabilities they usually have been patched with the discharge of OpenLiteSpeed 1.7.16.1 and LiteSpeed 6.0.12.

LiteSpeed is a well-liked internet server and an evaluation by Palo Alto Networks confirmed that it has a 2% market share — others say that it has a a lot greater market share — and that it’s utilized by 1.9 million internet-facing cases.

The vulnerabilities found by the safety agency’s researchers will be exploited to compromise the focused internet server and execute arbitrary code with elevated privileges.

Nevertheless, the issues can’t be exploited with out authentication. The attacker should first use a brute-force assault or social engineering to acquire legitimate credentials to the net server’s dashboard.

The primary vulnerability, rated ‘excessive severity’ and tracked as CVE-2022-0073, is expounded to a subject that permits customers to specify a command to be executed when the server begins.

“This performance is taken into account harmful and subsequently mitigations for abusing it have been carried out. We managed to bypass the mitigations and abuse this performance to obtain and execute a malicious file on the server with the privileges of the consumer no person, which is an unprivileged consumer that historically exists in Linux machines,” Palo Alto Networks defined.

The second vulnerability, additionally rated ‘excessive severity’ and tracked as CVE-2022-0074, will be leveraged by an attacker who has exploited the earlier flaw to escalate privileges from ‘no person’ to ‘root’.

The third subject, CVE-2022-0072, is a listing traversal bug that may be exploited to bypass safety measures and entry forbidden information.

“An attacker that compromised the server may create a secret backdoor and exploit the vulnerability to entry it,” the safety agency mentioned.

Patches have been launched roughly two weeks after Palo Alto Networks reported its findings to LiteSpeed builders.

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