RHEL 8：用户空间图形、xorg-x11 和 mesa (RHSA-2021: 1804)
high Nessus 插件 ID 149659
语言：
简介
远程 Red Hat 主机缺少一个或多个安全更新。描述
远程 Redhat Enterprise Linux 8 主机上安装的程序包受到 RHSA-2021: 1804 公告中提及的多个漏洞影响。- libX11: X 输入法客户端中存在堆溢出问题 (CVE-2020-14344)
- xorg-x11-server: XkbSetNames 函数中存在越界访问 (CVE-2020-14345)
- xorg-x11-server: X 输入扩展协议中存在整数下溢 (CVE-2020-14346)
- xorg-x11-server: 在 dix/pixmap.c 的 AllocatePixmap 中，未初始化的堆内存从 X 服务器泄漏到客户端 (CVE-2020-14347)
- xorg-x11-server: XkbSetMap 函数中的越界访问 (CVE-2020-14360)
- xorg-x11-server: XkbSelectEvents 整数下溢权限升级漏洞 (CVE-2020-14361)
- xorg-x11-server: XRecordRegisterClients 整数下溢特权升级漏洞 (CVE-2020-14362)
- libX11: 整数溢出导致区域设置处理中发生双重释放 (CVE-2020-14363)
- xorg-x11-server: XkbSetDeviceInfo 基于堆的缓冲区溢出特权升级漏洞 (CVE-2020-25712)
请注意，Nessus 尚未测试这些问题，而是只依据应用程序自我报告的版本号进行判断。
解决方案
更新受影响的程序包。另见
http://www.nessus.org/u?862005a9
http://www.nessus.org/u?ac44a587
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/errata/RHSA-2021:1804
https://bugzilla.redhat.com/show_bug.cgi?id=1826141
https://bugzilla.redhat.com/show_bug.cgi?id=1854920
https://bugzilla.redhat.com/show_bug.cgi?id=1856738
https://bugzilla.redhat.com/show_bug.cgi?id=1862241
https://bugzilla.redhat.com/show_bug.cgi?id=1862246
https://bugzilla.redhat.com/show_bug.cgi?id=1862255
https://bugzilla.redhat.com/show_bug.cgi?id=1862258
https://bugzilla.redhat.com/show_bug.cgi?id=1863142
https://bugzilla.redhat.com/show_bug.cgi?id=1869139
https://bugzilla.redhat.com/show_bug.cgi?id=1869142
https://bugzilla.redhat.com/show_bug.cgi?id=1869144
https://bugzilla.redhat.com/show_bug.cgi?id=1872473
https://bugzilla.redhat.com/show_bug.cgi?id=1878160
https://bugzilla.redhat.com/show_bug.cgi?id=1886644
https://bugzilla.redhat.com/show_bug.cgi?id=1886648
https://bugzilla.redhat.com/show_bug.cgi?id=1887276
https://bugzilla.redhat.com/show_bug.cgi?id=1887654
https://bugzilla.redhat.com/show_bug.cgi?id=1887655
https://bugzilla.redhat.com/show_bug.cgi?id=1891871
https://bugzilla.redhat.com/show_bug.cgi?id=1896442
插件详情
严重性: High
ID: 149659
文件名: redhat-RHSA-2021-1804.nasl
版本: 1.11
类型: local
代理: unix
发布时间: 2021/5/19
最近更新时间: 2024/11/7
支持的传感器: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
风险信息
VPR
风险因素: Medium
分数: 6.7
Vendor
Vendor Severity: Moderate
CVSS v2
风险因素: Medium
基本分数: 6.1
时间分数: 4.8
矢量: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:C
CVSS 分数来源: CVE-2020-14360
CVSS v3
风险因素: High
基本分数: 7.8
时间分数: 7
矢量: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
时间矢量: CVSS:3.0/E:P/RL:O/RC:C
CVSS 分数来源: CVE-2020-25712
漏洞信息
CPE: p-cpe:/a:redhat:enterprise_linux:libx11-common, p-cpe:/a:redhat:enterprise_linux:libinput-devel, p-cpe:/a:redhat:enterprise_linux:libglvnd-egl, p-cpe:/a:redhat:enterprise_linux:mesa-libglapi, p-cpe:/a:redhat:enterprise_linux:xorg-x11-server-xnest, p-cpe:/a:redhat:enterprise_linux:xorg-x11-server-source, p-cpe:/a:redhat:enterprise_linux:libinput-utils, p-cpe:/a:redhat:enterprise_linux:mesa-libgl-devel, p-cpe:/a:redhat:enterprise_linux:egl-wayland, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:mesa-libosmesa-devel, p-cpe:/a:redhat:enterprise_linux:libwacom-data, p-cpe:/a:redhat:enterprise_linux:xorg-x11-server-xephyr, p-cpe:/a:redhat:enterprise_linux:xorg-x11-server-xorg, p-cpe:/a:redhat:enterprise_linux:libdrm, p-cpe:/a:redhat:enterprise_linux:libwacom-devel, p-cpe:/a:redhat:enterprise_linux:libglvnd-opengl, p-cpe:/a:redhat:enterprise_linux:libglvnd-gles, p-cpe:/a:redhat:enterprise_linux:mesa-dri-drivers, p-cpe:/a:redhat:enterprise_linux:mesa-libgbm, p-cpe:/a:redhat:enterprise_linux:xorg-x11-server-xdmx, p-cpe:/a:redhat:enterprise_linux:libglvnd-devel, p-cpe:/a:redhat:enterprise_linux:mesa-vulkan-drivers, p-cpe:/a:redhat:enterprise_linux:mesa-vdpau-drivers, p-cpe:/a:redhat:enterprise_linux:mesa, p-cpe:/a:redhat:enterprise_linux:xorg-x11-drivers, p-cpe:/a:redhat:enterprise_linux:libglvnd-glx, p-cpe:/a:redhat:enterprise_linux:mesa-libxatracker, p-cpe:/a:redhat:enterprise_linux:mesa-libegl, p-cpe:/a:redhat:enterprise_linux:mesa-libegl-devel, p-cpe:/a:redhat:enterprise_linux:libglvnd-core-devel, p-cpe:/a:redhat:enterprise_linux:xorg-x11-server, p-cpe:/a:redhat:enterprise_linux:libdrm-devel, p-cpe:/a:redhat:enterprise_linux:mesa-filesystem, p-cpe:/a:redhat:enterprise_linux:mesa-libosmesa, p-cpe:/a:redhat:enterprise_linux:libx11-devel, p-cpe:/a:redhat:enterprise_linux:xorg-x11-server-xvfb, p-cpe:/a:redhat:enterprise_linux:xorg-x11-server-xwayland, p-cpe:/a:redhat:enterprise_linux:libx11-xcb, p-cpe:/a:redhat:enterprise_linux:libwacom, p-cpe:/a:redhat:enterprise_linux:mesa-libgl, p-cpe:/a:redhat:enterprise_linux:libglvnd, p-cpe:/a:redhat:enterprise_linux:libinput, p-cpe:/a:redhat:enterprise_linux:xorg-x11-server-devel, p-cpe:/a:redhat:enterprise_linux:libx11, p-cpe:/a:redhat:enterprise_linux:mesa-vulkan-devel, p-cpe:/a:redhat:enterprise_linux:mesa-libgbm-devel, p-cpe:/a:redhat:enterprise_linux:xorg-x11-server-common
必需的 KB 项: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
可利用: true
易利用性: Exploits are available
补丁发布日期: 2021/5/18
漏洞发布日期: 2020/8/5
参考资料信息
CVE: CVE-2020-14344, CVE-2020-14345, CVE-2020-14346, CVE-2020-14347, CVE-2020-14360, CVE-2020-14361, CVE-2020-14362, CVE-2020-14363, CVE-2020-25712