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SUSE-SU-2018:1562-2

Опубликовано: 18 окт. 2018
Источник: suse-cvrf

Описание

Security update for glibc

This update for glibc fixes the following issues:

  • CVE-2017-18269: Fix SSE2 memmove issue when crossing 2GB boundary (bsc#1094150)
  • CVE-2018-11236: Fix overflow in path length computation (bsc#1094161)
  • CVE-2018-11237: Don't write beyond buffer destination in __mempcpy_avx512_no_vzeroupper (bsc#1094154)

Non security bugs fixed:

  • Fix crash in resolver on memory allocation failure (bsc#1086690)

Список пакетов

SUSE Linux Enterprise Server 12 SP2-BCL
glibc-2.22-62.13.2
glibc-32bit-2.22-62.13.2
glibc-devel-2.22-62.13.2
glibc-devel-32bit-2.22-62.13.2
glibc-html-2.22-62.13.2
glibc-i18ndata-2.22-62.13.2
glibc-info-2.22-62.13.2
glibc-locale-2.22-62.13.2
glibc-locale-32bit-2.22-62.13.2
glibc-profile-2.22-62.13.2
glibc-profile-32bit-2.22-62.13.2
nscd-2.22-62.13.2

Ссылки

Описание

An SSE2-optimized memmove implementation for i386 in sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S in the GNU C Library (aka glibc or libc6) 2.21 through 2.27 does not correctly perform the overlapping memory check if the source memory range spans the middle of the address space, resulting in corrupt data being produced by the copy operation. This may disclose information to context-dependent attackers, or result in a denial of service, or, possibly, code execution.

Затронутые продукты
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-2.22-62.13.2
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-32bit-2.22-62.13.2
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-devel-2.22-62.13.2
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-devel-32bit-2.22-62.13.2
Ссылки

Описание

stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.

Затронутые продукты
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-2.22-62.13.2
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-32bit-2.22-62.13.2
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-devel-2.22-62.13.2
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-devel-32bit-2.22-62.13.2
Ссылки

Описание

An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.

Затронутые продукты
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-2.22-62.13.2
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-32bit-2.22-62.13.2
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-devel-2.22-62.13.2
SUSE Linux Enterprise Server 12 SP2-BCL:glibc-devel-32bit-2.22-62.13.2
Ссылки
Уязвимость SUSE-SU-2018:1562-2