Critical severity · published Jan 18, 2022
CVE-2022-23408
wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations
9.1
CVSS
1.4%
EPSS
No
On KEV
Description
wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
Wolfssl · Wolfssl
5.0.0 before 5.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-23408
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-23408
Release Notes
https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-511-jan-3rd-2022
Third Party Advisory
https://github.com/wolfSSL/wolfssl/pull/4710
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