critical
9.8
CWE
119 122
Advisory Published
CVE Published
Updated

CVE-2020-25712: Buffer Overflow

First published: Mon Oct 12 2020(Updated: )

X.Org xserver is vulnerable to a heap-based buffer overflow, caused by insufficient checks on input of the XkbSetDeviceInfo request. By sending a specially-crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/xorg-x11-server<1.20.10
1.20.10
IBM Cloud Pak for Security (CP4S)<=1.7.2.0
IBM Cloud Pak for Security (CP4S)<=1.7.1.0
IBM Cloud Pak for Security (CP4S)<=1.7.0.0
X.Org X Server<1.20.10
Redhat Enterprise Linux=8.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-25712?

    CVE-2020-25712 is a vulnerability found in xorg-x11-server before 1.20.10 that can lead to a privilege escalation vulnerability.

  • What is the severity of CVE-2020-25712?

    The severity of CVE-2020-25712 is critical with a CVSS score of 9.8.

  • How does CVE-2020-25712 affect data confidentiality and integrity?

    CVE-2020-25712 can lead to a compromise of data confidentiality and integrity.

  • How can I fix CVE-2020-25712?

    To fix CVE-2020-25712, update xorg-x11-server to version 1.20.10 or later.

  • Where can I find more information about CVE-2020-25712?

    You can find more information about CVE-2020-25712 at the following references: [https://bugzilla.redhat.com/show_bug.cgi?id=1887276](https://bugzilla.redhat.com/show_bug.cgi?id=1887276), [https://lists.x.org/archives/xorg-announce/2020-December/003066.html](https://lists.x.org/archives/xorg-announce/2020-December/003066.html), [https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1903259](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1903259).

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