CVE-2018-18438 — MEDIUM (5.5)

Vulnerability Description

Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Qemu	Qemu	-
Redhat	Enterprise Linux	6.0
Redhat	Openstack	8

Related Weaknesses (CWE)

CWE-190

References

http://www.openwall.com/lists/oss-security/2018/10/17/3Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/105953Third Party AdvisoryVDB Entry
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02396.htmlMailing ListPatchThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02402.htmlMailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2018/10/17/3Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/105953Third Party AdvisoryVDB Entry
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02396.htmlMailing ListPatchThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02402.htmlMailing ListPatchThird Party Advisory

FAQ

What is CVE-2018-18438?

CVE-2018-18438 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.

How severe is CVE-2018-18438?

CVE-2018-18438 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-18438?

Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Redhat Enterprise Linux, Redhat Openstack.