Vulnerability CVE-2018-18438
Published: 2018-10-19   Modified: 2018-10-20

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

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Openstack 
Redhat -> Enterprise linux 
QEMU -> QEMU 

 References:
http://www.openwall.com/lists/oss-security/2018/10/17/3
http://www.securityfocus.com/bid/105953
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02396.html
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02402.html
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