Integer Overflow or Wraparound Affecting qemu package, versions <1:2.5+dfsg-5ubuntu10.22
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published31 Jan 2018
- disclosed31 Jan 2018
Introduced: 31 Jan 2018
CVE-2017-18043 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 qemu to version 1:2.5+dfsg-5ubuntu10.22 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
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).
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-18043
- https://git.qemu.org/?p=qemu.git;a=commit;h=2098b073f398cd628c09c5a78537a6854
- https://www.debian.org/security/2018/dsa-4213
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://security-tracker.debian.org/tracker/CVE-2017-18043
- http://www.openwall.com/lists/oss-security/2018/01/19/1
- http://www.securityfocus.com/bid/102759
- https://usn.ubuntu.com/3575-1/
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=2098b073f398cd628c09c5a78537a6854