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OpenAdvisories
High ALAS2-2020-1571 4 CVEs

Important: xorg-x11-server security update (Amazon Linux 2)

Published Dec 8, 2020 · Updated Dec 8, 2020

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2020-14362: 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. 1869144: CVE-2020-14362 xorg-x11-server: XRecordRegisterClients integer underflow privilege escalation vulnerability 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. 1869142: CVE-2020-14361 xorg-x11-server: XkbSelectEvents integer underflow privilege escalation vulnerability CVE-2020-14346: 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. 1862246: CVE-2020-14346 xorg-x11-server: Integer underflow in the X input extension protocol CVE-2020-14345: 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. 1862241: CVE-2020-14345 xorg-x11-server: Out-of-bounds access in XkbSetNames function

Fixed packages 10

ReleasePackageFixed in
Amazon Linux · 2 xorg-x11-server-common 0:1.20.4-12.amzn2.0.1
Amazon Linux · 2 xorg-x11-server-debuginfo 0:1.20.4-12.amzn2.0.1
Amazon Linux · 2 xorg-x11-server-devel 0:1.20.4-12.amzn2.0.1
Amazon Linux · 2 xorg-x11-server-source 0:1.20.4-12.amzn2.0.1
Amazon Linux · 2 xorg-x11-server-Xdmx 0:1.20.4-12.amzn2.0.1
Amazon Linux · 2 xorg-x11-server-Xephyr 0:1.20.4-12.amzn2.0.1
Amazon Linux · 2 xorg-x11-server-Xnest 0:1.20.4-12.amzn2.0.1
Amazon Linux · 2 xorg-x11-server-Xorg 0:1.20.4-12.amzn2.0.1
Amazon Linux · 2 xorg-x11-server-Xvfb 0:1.20.4-12.amzn2.0.1
Amazon Linux · 2 xorg-x11-server-Xwayland 0:1.20.4-12.amzn2.0.1

Vulnerabilities 4

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2020-14345.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2020-14346.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2020-14361.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2020-14362.html