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SUSE-SU-2020:1164-1

Опубликовано: 04 мая 2020
Источник: suse-cvrf

Описание

Security update for LibVNCServer

This update for LibVNCServer fixes the following issues:

  • CVE-2019-15690: Fixed a heap buffer overflow (bsc#1160471).
  • CVE-2019-15681: Fixed a memory leak which could have allowed to a remote attacker to read stack memory (bsc#1155419).
  • CVE-2019-20788: Fixed a integer overflow and heap-based buffer overflow via a large height or width value (bsc#1170441).

Список пакетов

SUSE Linux Enterprise Workstation Extension 15 SP1
libvncclient0-0.9.10-4.14.1

Ссылки

Описание

LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.

Затронутые продукты
SUSE Linux Enterprise Workstation Extension 15 SP1:libvncclient0-0.9.10-4.14.1
Ссылки

Описание

LibVNCServer 0.9.12 release and earlier contains heap buffer overflow vulnerability within the HandleCursorShape() function in libvncclient/cursor.c. An attacker sends cursor shapes with specially crafted dimensions, which can result in remote code execution.

Затронутые продукты
SUSE Linux Enterprise Workstation Extension 15 SP1:libvncclient0-0.9.10-4.14.1
Ссылки

Описание

libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.

Затронутые продукты
SUSE Linux Enterprise Workstation Extension 15 SP1:libvncclient0-0.9.10-4.14.1
Ссылки