Critical severity · published Dec 15, 2022
CVE-2022-46393
An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0
9.8
CVSS
1.3%
EPSS
No
On KEV
Description
An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. There is a potential heap-based buffer overflow and heap-based buffer over-read in DTLS if MBEDTLS_SSL_DTLS_CONNECTION_ID is enabled and MBEDTLS_SSL_CID_IN_LEN_MAX > 2 * MBEDTLS_SSL_CID_OUT_LEN_MAX.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
36; 37 · source: NVD
MT
Mbed Tls · Arm
before 2.28.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-46393
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-46393
Release Notes
https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.2
Release Notes
https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.3.0
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BR7ZCVKLPGCOEEALUHZMFHXQHR6S4QL/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XMKJ5IMJEPXYAHHU56Z4P2FSYIEAESB/
Vendor Advisory
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/
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