CVE-2016-7947: Integer Overflow
First published: Tue Dec 13 2016(Updated: )
Multiple integer overflows in X.org libXrandr before 1.5.1 allow remote X servers to trigger out-of-bounds write operations via a crafted response.
Credit: meissner@suse.de
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fedora | =24 | |
| Fedora | =25 | |
| CentOS Libxrandr | <=1.5.0 |
Remedy
https://cgit.freedesktop.org/xorg/lib/libXrandr/commit/?id=a0df3e1c7728205e5c7650b2e6dce684139254a6
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Reference Links
- http://www.openwall.com/lists/oss-security/2016/10/04/2
- http://www.openwall.com/lists/oss-security/2016/10/04/4
- http://www.securityfocus.com/bid/93365
- http://www.securitytracker.com/id/1036945
- https://cgit.freedesktop.org/xorg/lib/libXrandr/commit/?id=a0df3e1c7728205e5c7650b2e6dce684139254a6
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/74FFOHWYIKQZTJLRJWDMJ4W3WYBELUUG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y7662OZWCSTLRPKS6R3E4Y4M26BSVAAM/
- https://lists.x.org/archives/xorg-announce/2016-October/002720.html
- https://security.gentoo.org/glsa/201704-03
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74FFOHWYIKQZTJLRJWDMJ4W3WYBELUUG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7662OZWCSTLRPKS6R3E4Y4M26BSVAAM/
Frequently Asked Questions
What is the severity of CVE-2016-7947?
CVE-2016-7947 has a severity rating that indicates a significant risk due to potential remote code execution.
How do I fix CVE-2016-7947?
To fix CVE-2016-7947, upgrade X.org libXrandr to version 1.5.1 or later.
Which software is affected by CVE-2016-7947?
CVE-2016-7947 affects X.org libXrandr versions up to and including 1.5.0, as well as Fedora versions 24 and 25.
How does CVE-2016-7947 pose a risk?
CVE-2016-7947 poses a risk by allowing remote X servers to perform out-of-bounds write operations through crafted responses.
Who should be concerned about CVE-2016-7947?
Users and administrators of systems running affected versions of Fedora and X.org libXrandr should be concerned about CVE-2016-7947.
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- version/fedora/24
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- canonical/centos libxrandr
- version/centos libxrandr/1.5.0