3.5

CVE-2021-3716

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Nbdkit Project ≫ Nbdkit Version >= 1.11.8 < 1.24.6
Nbdkit Project ≫ Nbdkit Version >= 1.25.1 < 1.26.5
Nbdkit Project ≫ Nbdkit Version >= 1.27.1 < 1.27.6
Redhat ≫ Enterprise Linux Version8.0 SwEdition-
Redhat ≫ Enterprise Linux Version8.0 SwEditionadvanced_virtualization
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.57% 0.431
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 3.1 1.6 1.4
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
nvd@nist.gov 3.5 6.8 2.9
AV:N/AC:M/Au:S/C:N/I:N/A:P
CWE-924 Improper Enforcement of Message Integrity During Transmission in a Communication Channel

The product establishes a communication channel with an endpoint and receives a message from that endpoint, but it does not sufficiently ensure that the message was not modified during transmission.

https://bugzilla.redhat.com/show_bug.cgi?id=1994695
Patch
Third Party Advisory
Issue Tracking
https://gitlab.com/nbdkit/nbdkit/-/commit/09a13dafb7bb3a38ab52eb5501cba786365ba7fd
Patch
Third Party Advisory
https://gitlab.com/nbdkit/nbdkit/-/commit/6c5faac6a37077cf2366388a80862bb00616d0d8
Patch
Third Party Advisory
https://listman.redhat.com/archives/libguestfs/2021-August/msg00083.html
Broken Link
https://www.openwall.com/lists/oss-security/2021/08/18/2
Third Party Advisory
Mailing List