Medium severity · published Oct 19, 2018
CVE-2018-18438
Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value
5.5
CVSS
0.4%
EPSS
No
On KEV
Description
Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.
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
EL
Enterprise Linux · Redhat
6.0; 7.0 · source: NVD
OP
Openstack · Redhat
8; 9; 10; 12; 13 · source: NVD
QE
Qemu · Qemu
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18438
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18438
Mailing List
http://www.openwall.com/lists/oss-security/2018/10/17/3
Third Party Advisory
http://www.securityfocus.com/bid/105953
Mailing List
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02396.html
Mailing List
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02402.html
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