CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS
Percentile
48.7%
An unauthenticated remote host could send an invalid ClientHello message in which the declared length of the cookie extends past the end of the message. A DTLS server with MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE enabled would read past the end of the message up to the declared length of the cookie. This could cause a buffer overread of up to 255 bytes on the heap in vulnerable DTLS servers, which may lead to a crash or to information disclosure via the cookie check function (CVE-2022-35409). This issue has been patched, backporting a fix from upstream’s 2.28.0 release.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Mageia | 8 | noarch | mbedtls | < 2.16.12-1.1 | mbedtls-2.16.12-1.1.mga8 |