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SUSE-SU-2018:2714-1

Опубликовано: 14 сент. 2018
Источник: suse-cvrf

Описание

Security update for curl

This update for curl fixes the following issues:

This security issue was fixed:

  • CVE-2018-14618: Prevent integer overflow in the NTLM authentication code (bsc#1106019)

This non-security issue was fixed:

  • Use OPENSSL_config instead of CONF_modules_load_file() to avoid crashes due to openssl engines conflicts (bsc#1086367)

Список пакетов

SUSE Linux Enterprise Module for Basesystem 15
curl-7.60.0-3.9.1
libcurl-devel-7.60.0-3.9.1
libcurl4-7.60.0-3.9.1
libcurl4-32bit-7.60.0-3.9.1

Ссылки

Описание

curl before version 7.61.1 is vulnerable to a buffer overrun in the NTLM authentication code. The internal function Curl_ntlm_core_mk_nt_hash multiplies the length of the password by two (SUM) to figure out how large temporary storage area to allocate from the heap. The length value is then subsequently used to iterate over the password and generate output into the allocated storage buffer. On systems with a 32 bit size_t, the math to calculate SUM triggers an integer overflow when the password length exceeds 2GB (2^31 bytes). This integer overflow usually causes a very small buffer to actually get allocated instead of the intended very huge one, making the use of that buffer end up in a heap buffer overflow. (This bug is almost identical to CVE-2017-8816.)

Затронутые продукты
SUSE Linux Enterprise Module for Basesystem 15:curl-7.60.0-3.9.1
SUSE Linux Enterprise Module for Basesystem 15:libcurl-devel-7.60.0-3.9.1
SUSE Linux Enterprise Module for Basesystem 15:libcurl4-32bit-7.60.0-3.9.1
SUSE Linux Enterprise Module for Basesystem 15:libcurl4-7.60.0-3.9.1
Ссылки