35 results (0.017 seconds)

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 1

An issue was discovered in Mbed TLS through 3.5.1. In mbedtls_ssl_session_reset, the maximum negotiable TLS version is mishandled. For example, if the last connection negotiated TLS 1.2, then 1.2 becomes the new maximum. Se descubrió un problema en Mbed TLS hasta la versión 3.5.1. En mbedtls_ssl_session_reset, la versión TLS máxima negociable no se maneja correctamente. • https://github.com/Mbed-TLS/mbedtls/issues/8654 • CWE-384: Session Fixation •

CVSS: 4.7EPSS: 0%CPEs: 3EXPL: 0

Use of a Broken or Risky Cryptographic Algorithm in the function mbedtls_mpi_exp_mod() in lignum.c in Mbed TLS Mbed TLS all versions before 3.0.0, 2.27.0 or 2.16.11 allows attackers with access to precise enough timing and memory access information (typically an untrusted operating system attacking a secure enclave such as SGX or the TrustZone secure world) to recover the private keys used in RSA. • https://github.com/ARMmbed/mbedtls/releases https://kouzili.com/Load-Step.pdf https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-07-1 • CWE-327: Use of a Broken or Risky Cryptographic Algorithm •

CVSS: 9.8EPSS: 0%CPEs: 4EXPL: 0

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. Se descubrió un problema en Mbed TLS anterior a 2.28.2 y 3.x anterior a 3.3.0. Existe un posible desbordamiento de búfer de almacenamiento dinámico y una sobrelectura de búfer de almacenamiento dinámico en DTLS si MBEDTLS_SSL_DTLS_CONNECTION_ID está habilitado y MBEDTLS_SSL_CID_IN_LEN_MAX > 2 * MBEDTLS_SSL_CID_OUT_LEN_MAX. • https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.2 https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.3.0 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BR7ZCVKLPGCOEEALUHZMFHXQHR6S4QL https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XMKJ5IMJEPXYAHHU56Z4P2FSYIEAESB https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •

CVSS: 5.3EPSS: 0%CPEs: 4EXPL: 0

An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller. Se descubrió un problema en Mbed TLS anterior a 2.28.2 y 3.x anterior a 3.3.0. Un adversario con acceso a información suficientemente precisa sobre los accesos a la memoria (normalmente, un sistema operativo no confiable que ataca un enclave seguro) puede recuperar una clave privada RSA después de observar a la víctima realizando una única operación con clave privada, si el tamaño de la ventana (MBEDTLS_MPI_WINDOW_SIZE) utilizada para la exponenciación es 3 o menor. • https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.2 https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.3.0 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BR7ZCVKLPGCOEEALUHZMFHXQHR6S4QL https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XMKJ5IMJEPXYAHHU56Z4P2FSYIEAESB • CWE-203: Observable Discrepancy •

CVSS: 9.1EPSS: 0%CPEs: 3EXPL: 1

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. Se ha descubierto un problema en Mbed TLS antes de la versión 2.28.1 y 3.x antes de la 3.2.0. • https://github.com/Mbed-TLS/mbedtls/releases https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html https://mbed-tls.readthedocs.io/en/latest/security-advisories/advisories/mbedtls-security-advisory-2022-07.html • CWE-125: Out-of-bounds Read •