CVE-2022-35409

Published on: Not Yet Published

Last Modified on: 08/30/2022 02:58:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Certain versions of Mbed Tls from Arm contain the following vulnerability:

An issue was discovered in Mbed TLS before 2.28.1 and 3.x before 3.2.0. In some configurations, an unauthenticated attacker can send an invalid ClientHello message to a DTLS server that causes a heap-based buffer over-read of up to 255 bytes. This can cause a server crash or possibly information disclosure based on error responses. Affected configurations have MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE enabled and MBEDTLS_SSL_IN_CONTENT_LEN less than a threshold that depends on the configuration: 258 bytes if using mbedtls_ssl_cookie_check, and possibly up to 571 bytes with a custom cookie check function.

  • CVE-2022-35409 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.

CVSS3 Score: 9.1 - CRITICAL

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH NONE HIGH

CVE References

Description Tags Link
Releases · Mbed-TLS/mbedtls · GitHub github.com
text/html
URL Logo MISC github.com/Mbed-TLS/mbedtls/releases
Buffer overread in DTLS ClientHello parsing — Mbed TLS documentation mbed-tls.readthedocs.io
text/html
URL Logo MISC mbed-tls.readthedocs.io/en/latest/security-advisories/advisories/mbedtls-security-advisory-2022-07.html

Related QID Numbers

  • 502428 Alpine Linux Security Update for mbedtls

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationArmMbed TlsAllAllAllAll
  • cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2022-35409 : An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.2.0. In some configurations, an… twitter.com/i/web/status/1… 2022-07-15 14:04:31
Twitter Icon @threatmeter CVE-2022-35409 An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.2.0. In some configurations, an u… twitter.com/i/web/status/1… 2022-07-16 07:09:36
Twitter Icon @ColorTokensInc Emerging Vulnerability Found CVE-2022-35409 - An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.2.… twitter.com/i/web/status/1… 2022-07-16 07:09:42
Twitter Icon @threatmeter CVE-2022-35409 | mbed TLS up to 2.28.1/3.1.x ClientHello Message heap-based overflow A vulnerability was found in m… twitter.com/i/web/status/1… 2022-07-17 07:50:23
Reddit Logo Icon /r/netcve CVE-2022-35409 2022-07-15 15:38:53
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