CVE-2017-18043: Integer Overflow
First published: Wed Jan 31 2018(Updated: )
Integer overflow in the macro ROUND_UP (n, d) in Quick Emulator (Qemu) allows a user to cause a denial of service (Qemu process crash).
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU | >=1.5.0<=2.10.1 | |
| Debian | =9.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =17.10 | |
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u12 1:9.2.1+ds-1 1:9.2.2+ds-1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2018/01/19/1
- http://www.securityfocus.com/bid/102759
- https://git.qemu.org/?p=qemu.git;a=commit;h=2098b073f398cd628c09c5a78537a6854
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://usn.ubuntu.com/3575-1/
- https://www.debian.org/security/2018/dsa-4213
- https://launchpad.net/bugs/cve/CVE-2017-18043
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=2098b073f398cd628c09c5a78537a6854
- https://git.qemu.org/?p=qemu.git;a=object;h=292c8e50
- https://security-tracker.debian.org/tracker/CVE-2017-18043
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18043
- https://nvd.nist.gov/vuln/detail/CVE-2017-18043
- https://ubuntu.com/security/CVE-2017-18043
Frequently Asked Questions
What is the severity of CVE-2017-18043?
The severity of CVE-2017-18043 is considered high as it allows for denial of service through a crash of the Qemu process.
How do I fix CVE-2017-18043?
To fix CVE-2017-18043, update Qemu to a version that includes the mitigation or patch for the integer overflow issue.
Which versions of Qemu are affected by CVE-2017-18043?
CVE-2017-18043 affects Qemu versions between 1.5.0 and 2.10.1 inclusively.
Is CVE-2017-18043 relevant for Debian users?
Yes, Debian versions 9.0 and Qemu packages within specific version ranges are affected by CVE-2017-18043.
What operating systems are impacted by CVE-2017-18043?
CVE-2017-18043 impacts various versions of Debian GNU/Linux and Ubuntu Linux, particularly versions 14.04, 16.04, and 17.10.
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