CVE-2015-5239: Integer Overflow
First published: Thu Jan 23 2020(Updated: )
Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | <2.1.0 | |
| Fedoraproject Fedora | =21 | |
| Fedoraproject Fedora | =22 | |
| Fedoraproject Fedora | =23 | |
| Canonical Ubuntu Linux | =12.04 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =15.04 | |
| SUSE Linux Enterprise Debuginfo | =11-sp3 | |
| SUSE Linux Enterprise Debuginfo | =11-sp4 | |
| SUSE Linux Enterprise Desktop | =11-sp3 | |
| SUSE Linux Enterprise Desktop | =11-sp4 | |
| SUSE Linux Enterprise Desktop | =12 | |
| SUSE Linux Enterprise Server | =11-sp3 | |
| SUSE Linux Enterprise Server | =11-sp4 | |
| SUSE Linux Enterprise Server | =12 | |
| SUSE Linux Enterprise Software Development Kit | =11-sp3 | |
| SUSE Linux Enterprise Software Development Kit | =11-sp4 | |
| SUSE Linux Enterprise Software Development Kit | =12 | |
| Arista EOS | =4.12 | |
| Arista EOS | =4.13 | |
| Arista EOS | =4.14 | |
| Arista EOS | =4.15 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168077.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168646.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168671.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00011.html
- http://www.openwall.com/lists/oss-security/2015/09/02/7
- http://www.ubuntu.com/usn/USN-2745-1
- https://github.com/qemu/qemu/commit/f9a70e79391f6d7c2a912d785239ee8effc1922d
- https://www.arista.com/en/support/advisories-notices/security-advisories/1188-security-advisory-14
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2015-5239.
What is the severity of CVE-2015-5239?
CVE-2015-5239 has a severity level of medium with a CVSS score of 6.5.
Which software versions are affected by CVE-2015-5239?
QEMU versions before 2.1.0 are affected by CVE-2015-5239.
How can an attacker exploit CVE-2015-5239?
An attacker can exploit CVE-2015-5239 by sending a crafted CLIENT_CUT_TEXT message, which triggers an infinite loop and leads to a denial of service (process crash).
Are there any references available for CVE-2015-5239?
Yes, you can find more information about CVE-2015-5239 at the following references: [link1](http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168077.html), [link2](http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168646.html), [link3](http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168671.html).
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