CVE-2015-3418: Divide by Zero
First published: Tue Dec 13 2016(Updated: )
The ProcPutImage function in dix/dispatch.c in X.Org Server (aka xserver and xorg-server) before 1.16.4 allows attackers to cause a denial of service (divide-by-zero and crash) via a zero-height PutImage request.
Credit: meissner@suse.de
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu X Server Legacy | <=1.16.3 |
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Reference Links
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.securityfocus.com/bid/74328
- https://cgit.freedesktop.org/xorg/xserver/commit/?id=dc777c346d5d452a53b13b917c45f6a1bad2f20b
- https://lists.x.org/archives/xorg-announce/2015-February/002532.html
- https://security.gentoo.org/glsa/201701-64
Frequently Asked Questions
What is the severity of CVE-2015-3418?
CVE-2015-3418 has a severity rating that indicates a denial of service vulnerability in X.Org Server.
How do I fix CVE-2015-3418?
To fix CVE-2015-3418, you should upgrade X.Org Server to version 1.16.4 or later.
What systems are affected by CVE-2015-3418?
CVE-2015-3418 affects X.Org Server versions up to and including 1.16.3.
What type of vulnerability is CVE-2015-3418?
CVE-2015-3418 is a denial of service vulnerability caused by a divide-by-zero error.
Can CVE-2015-3418 be exploited remotely?
Yes, CVE-2015-3418 can be exploited remotely if an attacker sends a specially crafted zero-height PutImage request.
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