Integer overflow in mbed TLS - CVE-2024-23775

Vulnerability identifier: #VU86232

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-23775

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in mbedtls_x509_set_extension(). A remote attacker can pass specially crafted data to the application, trigger an integer overflow and perform a denial of service (DoS) attack.

mbed TLS
Gentoo Linux
Fedora
Ubuntu
mbedtls (Ubuntu package)
net-libs/mbedtls
mbedtls

Install updates from vendor's website.

mbed TLS - addressed in versions 2.28.7, 3.5.2
mbedtls (Ubuntu package) - addressed in versions 2.8.0-1ubuntu0.1~esm1, 2.16.4-1ubuntu2+esm1, 2.28.0-1ubuntu0.1~esm1, 2.28.8-1ubuntu0.1~esm1
net-libs/mbedtls - update to 2.28.7
mbedtls - addressed in versions 2.28.7-1.el8, 2.28.7-1.el9, 2.28.7-1.fc38, 2.28.7-1.fc39

• https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2024-01-2/

• Multiple vulnerabilities in Mbed TLS
• Fedora 38 update for mbedtls
• Fedora 39 update for mbedtls
• Fedora EPEL 8 update for mbedtls
• Fedora EPEL 9 update for mbedtls
• Gentoo update for Mbed TLS
• Ubuntu update for mbedtls