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CVE-2021-3716 A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary

Description

A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary. A MitM attacker could use this flaw to inject a plaintext NBD_OPT_STRUCTURED_REPLY before proxying everything else a client sends to the server, potentially leading the client to terminate the NBD session. The highest threat from this vulnerability is to system availability.

Affected products and versions

Product Affected versions Fixed in
nbdkit Versions not published

Other CVEs of nbdkit

The 3 CVEs of nbdkit →
CVE-2019-14851 A denial of service vulnerability was discovered in nbdkit Not rated CVE-2019-14850 A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1 Not rated
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