According to the versions of the xorg-x11-server packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A flaw was found in the X.Org Server. An out-of-bounds     access in the XkbSetMap 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-2020-14360)

  - A flaw was found in xorg-x11-server before 1.20.10. A     heap-buffer overflow in XkbSetDeviceInfo 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-2020-25712)

  - A flaw was found in the way xserver memory was not     properly initialized. This could leak parts of server     memory to the X client. In cases where Xorg server runs     with elevated privileges, this could result in possible     ASLR bypass. Xorg-server before version 1.20.9 is     vulnerable.(CVE-2020-14347)

  - A flaw was found in X.Org Server before xorg-x11-server     1.20.9. 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 before 1.20.9. An     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 before xorg-x11-server     1.20.9. 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 before xorg-x11-server     1.20.9. 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)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-4953 advisory.

  - A flaw was found in X.Org Server before xorg-x11-server 1.20.9. 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 before 1.20.9. An 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 before xorg-x11-server 1.20.9. 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,     CVE-2020-14362)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4910 advisory.

  - xorg-x11-server: Out-of-bounds access in XkbSetNames function (CVE-2020-14345)

  - xorg-x11-server: Integer underflow in the X input extension protocol (CVE-2020-14346)

  - xorg-x11-server: XkbSelectEvents integer underflow privilege escalation vulnerability (CVE-2020-14361)

  - xorg-x11-server: XRecordRegisterClients integer underflow privilege escalation vulnerability     (CVE-2020-14362)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4953 advisory.

  - xorg-x11-server: Out-of-bounds access in XkbSetNames function (CVE-2020-14345)

  - xorg-x11-server: Integer underflow in the X input extension protocol (CVE-2020-14346)

  - xorg-x11-server: XkbSelectEvents integer underflow privilege escalation vulnerability (CVE-2020-14361)

  - xorg-x11-server: XRecordRegisterClients integer underflow privilege escalation vulnerability     (CVE-2020-14362)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2021:1804 advisory.

  - An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was     implemented in libX11 before version 1.6.10. As per upstream this is security relevant when setuid     programs call XIM client functions while running with elevated privileges. No such programs are shipped     with Red Hat Enterprise Linux. (CVE-2020-14344)

  - A flaw was found in X.Org Server before xorg-x11-server 1.20.9. 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 before 1.20.9. An 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 the way xserver memory was not properly initialized. This could leak parts of server     memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in     possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable. (CVE-2020-14347)

  - A flaw was found in the X.Org Server before version 1.20.10. An out-of-bounds access in the XkbSetMap     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-2020-14360)

  - A flaw was found in X.Org Server before xorg-x11-server 1.20.9. 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,     CVE-2020-14362)

  - An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local     privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in     arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as     system availability. (CVE-2020-14363)

  - A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo 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-2020-25712)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version MAIN 6.02, has libX11 packages installed that are affected by multiple vulnerabilities:

  - An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was     implemented in libX11 before version 1.6.10. As per upstream this is security relevant when setuid     programs call XIM client functions while running with elevated privileges. No such programs are shipped     with Red Hat Enterprise Linux. (CVE-2020-14344)

  - A flaw was found in X.Org Server before xorg-x11-server 1.20.9. 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 before 1.20.9. An 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 the way xserver memory was not properly initialized. This could leak parts of server     memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in     possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable. (CVE-2020-14347)

  - A flaw was found in the X.Org Server before version 1.20.10. An out-of-bounds access in the XkbSetMap     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-2020-14360)

  - A flaw was found in X.Org Server before xorg-x11-server 1.20.9. 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,     CVE-2020-14362)

  - An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local     privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in     arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as     system availability. (CVE-2020-14363)

  - A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo 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-2020-25712)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version MAIN 6.02, has xorg-x11-server packages installed that are affected by multiple vulnerabilities:

  - An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was     implemented in libX11 before version 1.6.10. As per upstream this is security relevant when setuid     programs call XIM client functions while running with elevated privileges. No such programs are shipped     with Red Hat Enterprise Linux. (CVE-2020-14344)

  - A flaw was found in X.Org Server before xorg-x11-server 1.20.9. 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 before 1.20.9. An 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 the way xserver memory was not properly initialized. This could leak parts of server     memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in     possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable. (CVE-2020-14347)

  - A flaw was found in the X.Org Server before version 1.20.10. An out-of-bounds access in the XkbSetMap     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-2020-14360)

  - A flaw was found in X.Org Server before xorg-x11-server 1.20.9. 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,     CVE-2020-14362)

  - An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local     privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in     arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as     system availability. (CVE-2020-14363)

  - A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo 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-2020-25712)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
145118	EulerOS 2.0 SP3 : xorg-x11-server (EulerOS-SA-2021-1132)	Nessus	Huawei Local Security Checks	2021/1/20	2024/1/29	high
142488	Oracle Linux 6 : xorg-x11-server (ELSA-2020-4953)	Nessus	Oracle Linux Local Security Checks	2020/11/6	2020/11/6	high
142607	CentOS 7 : xorg-x11-server (CESA-2020:4910)	Nessus	CentOS Local Security Checks	2020/11/6	2020/11/30	high
142644	CentOS 6 : xorg-x11-server (CESA-2020:4953)	Nessus	CentOS Local Security Checks	2020/11/9	2020/11/30	high
184506	Rocky Linux 8 : userspace graphics, xorg-x11, and mesa (RLSA-2021:1804)	Nessus	Rocky Linux Local Security Checks	2023/11/6	2023/11/6	high
160742	NewStart CGSL MAIN 6.02 : libX11 Multiple Vulnerabilities (NS-SA-2022-0056)	Nessus	NewStart CGSL Local Security Checks	2022/5/9	2023/10/30	high
160787	NewStart CGSL MAIN 6.02 : xorg-x11-server Multiple Vulnerabilities (NS-SA-2022-0049)	Nessus	NewStart CGSL Local Security Checks	2022/5/9	2023/10/30	high

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