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Vulnerability of Libntlm: out-of-bounds memory reading via buildSmbNtlmAuthRequest

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via buildSmbNtlmAuthRequest() of Libntlm, in order to trigger a denial of service, or to obtain sensitive information.
Impacted products: Debian.
Severity of this bulletin: 2/4.
Creation date: 11/05/2020.
Références of this threat: CVE-2019-17455, DLA-2207-1, VIGILANCE-VUL-32217.

Description of the vulnerability 

An attacker can force a read at an invalid address via buildSmbNtlmAuthRequest()...
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This threat note impacts software or systems such as Debian.

Our Vigil@nce team determined that the severity of this cybersecurity note is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this vulnerability note.

Solutions for this threat 

This vulnerability fix will be public soon.
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