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x.org x server vulnerabilities and exploits
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668
VMScore
CVE-2018-14600
An issue exists in libX11 up to and including 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.
X.org Libx11
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 12.04
Debian Debian Linux 8.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
169
VMScore
CVE-2017-2624
It was found that xorg-x11-server prior to 1.19.0 including uses memcmp() to check the received MIT cookie against a series of valid cookies. If the cookie is correct, it is allowed to attach to the Xorg session. Since most memcmp() implementations return after an invalid byte is...
X.org Xorg-server
Debian Debian Linux 7.0
668
VMScore
CVE-2017-12176
xorg-x11-server prior to 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
668
VMScore
CVE-2017-12180
xorg-x11-server prior to 1.19.5 was missing length validation in XFree86 VidModeExtension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
668
VMScore
CVE-2017-12182
xorg-x11-server prior to 1.19.5 was missing length validation in XFree86 DRI extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
668
VMScore
CVE-2017-12183
xorg-x11-server prior to 1.19.5 was missing length validation in XFIXES extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 9.0
Debian Debian Linux 8.0
X.org Xorg-server
668
VMScore
CVE-2017-12184
xorg-x11-server prior to 1.19.5 was missing length validation in XINERAMA extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
668
VMScore
CVE-2017-12185
xorg-x11-server prior to 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
668
VMScore
CVE-2017-12186
xorg-x11-server prior to 1.19.5 was missing length validation in X-Resource extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
668
VMScore
CVE-2017-12187
xorg-x11-server prior to 1.19.5 was missing length validation in RENDER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
VMScore
CVSSv2
CVSSv3
VMScore
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