Amazon Linux 1 Security Advisory: ALAS-2021-1475
Advisory Release Date: 2021-01-12 22:52 Pacific
Advisory Updated Date: 2021-01-13 18:29 Pacific
FAQs regarding Amazon Linux ALAS/CVE Severity
A flaw was found in X.Org Server. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-14345)
A flaw was found in xorg-x11-server. A integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-14346)
A flaw was found in X.Org Server. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-14361)
A flaw was found in X.Org Server. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-14362)
Affected Packages:
xorg-x11-server
Issue Correction:
Run yum update xorg-x11-server to update your system.
i686:
xorg-x11-server-Xvfb-1.17.4-18.43.amzn1.i686
xorg-x11-server-Xorg-1.17.4-18.43.amzn1.i686
xorg-x11-server-debuginfo-1.17.4-18.43.amzn1.i686
xorg-x11-server-common-1.17.4-18.43.amzn1.i686
xorg-x11-server-Xdmx-1.17.4-18.43.amzn1.i686
xorg-x11-server-devel-1.17.4-18.43.amzn1.i686
xorg-x11-server-Xephyr-1.17.4-18.43.amzn1.i686
xorg-x11-server-Xnest-1.17.4-18.43.amzn1.i686
noarch:
xorg-x11-server-source-1.17.4-18.43.amzn1.noarch
src:
xorg-x11-server-1.17.4-18.43.amzn1.src
x86_64:
xorg-x11-server-Xorg-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-Xnest-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-debuginfo-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-Xephyr-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-Xdmx-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-devel-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-common-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-Xvfb-1.17.4-18.43.amzn1.x86_64