CVE-2017-18043: 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)

Medium severity · published Jan 31, 2018

CVE-2017-18043

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)

5.5

CVSS

0.4%

EPSS

On KEV

Description

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).

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack vector

Local

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.4% · higher than 38% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

9.0 · source: NVD

Qemu · Qemu

1.5.0 through 2.10.1 · source: NVD

Ubuntu Linux · Canonical

14.04; 16.04; 17.10 · source: NVD

Affected product

Ubuntu Linux

Canonical

All Ubuntu Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2017-18043

CVE.org

https://www.cve.org/CVERecord?id=CVE-2017-18043

Mailing List

http://www.openwall.com/lists/oss-security/2018/01/19/1

Third Party Advisory

http://www.securityfocus.com/bid/102759

git.qemu.org

https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=2098b073f398cd628c09c5a78537a6854

Third Party Advisory

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

Third Party Advisory

https://usn.ubuntu.com/3575-1/

Third Party Advisory

https://www.debian.org/security/2018/dsa-4213