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Vulnerability Details : CVE-2018-18438

Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.
Publish Date : 2018-10-19 Last Update Date : 2018-12-04
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Overflow
CWE ID 190

- Products Affected By CVE-2018-18438

# Product Type Vendor Product Version Update Edition Language
1 Application Qemu Qemu - Version Details Vulnerabilities
2 OS Redhat Enterprise Linux 6 Version Details Vulnerabilities
3 OS Redhat Enterprise Linux 7.0 Version Details Vulnerabilities
4 Application Redhat Openstack 8.0 Version Details Vulnerabilities
5 Application Redhat Openstack 9.0 Version Details Vulnerabilities
6 Application Redhat Openstack 10 Version Details Vulnerabilities
7 Application Redhat Openstack 12 Version Details Vulnerabilities
8 Application Redhat Openstack 13.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Qemu Qemu 1
Redhat Enterprise Linux 2
Redhat Openstack 5

- References For CVE-2018-18438

http://www.securityfocus.com/bid/105953
BID 105953
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02396.html
MLIST [qemu-devel] 20181012 [PATCH v2 00/11] chardev: Convert IO handlers to use unsigned type
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02402.html
MLIST [qemu-devel] 20181012 [PATCH v2 07/11] chardev: Let IOReadHandler use unsigned type
http://www.openwall.com/lists/oss-security/2018/10/17/3
MLIST [oss-security] 20181017 CVE-2018-18438 Qemu: Integer overflow in ccid_card_vscard_read() allows memory corruption

- Metasploit Modules Related To CVE-2018-18438

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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