CVE-2020-4042

Medium

Description

Bareos before version 19.2.8 and earlier allows a malicious client to communicate with the director without knowledge of the shared secret if the director allows client initiated connection and connects to the client itself. The malicious client can replay the Bareos director's cram-md5 challenge to the director itself leading to the director responding to the replayed challenge. The response obtained is then a valid reply to the directors original challenge. This is fixed in version 19.2.8.

SeverityMedium
CVSS6.8
Exploit probability—
ProductBareos
PublishedJul 10, 2020
First seenJul 10, 2020
Weakness typeCWE-294CWE-294

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
bareos bareosv ≤ 19.2.7, 19.2.8—

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CVE-2020-4042 · Bareos · Dark Radar