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Test ID:1.3.6.1.4.1.25623.1.0.143882
Category:General
Title:Exim <= 4.93 Authentication Bypass Vulnerability
Summary:Exim is prone to an authentication bypass vulnerability.
Description:Summary:
Exim is prone to an authentication bypass vulnerability.

Vulnerability Insight:
Exim has an out-of-bounds read in the SPA authenticator that could result in
SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.

Vulnerability Impact:
An attacker can supply customized 'length' and 'offset' to read arbitrary
memory address.

Affected Software/OS:
Exim version 4.93 and prior.

Solution:
No known solution is available as of 12th May, 2020.
Information regarding this issue will be updated once solution details are available.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-12783
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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