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SUSE-SU-2026:2757-1

Опубликовано: 03 июл. 2026
Источник: suse-cvrf

Описание

Security update for openCryptoki

This update for openCryptoki fixes the following issue:

  • CVE-2026-40253: malformed BER-encoded cryptographic objects can lead to information disclosure and denial of service (bsc#1262283).

Список пакетов

SUSE Linux Enterprise Module for Server Applications 15 SP7
openCryptoki-3.26.0-150700.5.17.1
openCryptoki-64bit-3.26.0-150700.5.17.1
openCryptoki-devel-3.26.0-150700.5.17.1

Ссылки

Описание

openCryptoki is a PKCS#11 library and provides tooling for Linux and AIX. In versions 3.26.0 and below, the BER/DER decoding functions in the shared common library (asn1.c) accept a raw pointer but no buffer length parameter, and trust attacker-controlled BER length fields without validating them against actual buffer boundaries. All primitive decoders are affected: ber_decode_INTEGER, ber_decode_SEQUENCE, ber_decode_OCTET_STRING, ber_decode_BIT_STRING, and ber_decode_CHOICE. Additionally, ber_decode_INTEGER can produce integer underflows when the encoded length is zero. An attacker supplying a malformed BER-encoded cryptographic object through PKCS#11 operations such as C_CreateObject or C_UnwrapKey, token loading from disk, or remote backend communication can trigger out-of-bounds reads. This affects all token backends (Soft, ICA, CCA, TPM, EP11, ICSF) since the vulnerable code is in the shared common library. A patch is available thorugh commit ed378f463ef73364c89feb0fc923f4dc867332a3.

Затронутые продукты
SUSE Linux Enterprise Module for Server Applications 15 SP7:openCryptoki-3.26.0-150700.5.17.1
SUSE Linux Enterprise Module for Server Applications 15 SP7:openCryptoki-64bit-3.26.0-150700.5.17.1
SUSE Linux Enterprise Module for Server Applications 15 SP7:openCryptoki-devel-3.26.0-150700.5.17.1
Ссылки