the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
  What's the CVSS score of your company?
Vulnerability Feeds & WidgetsNew  

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 : 2021-08-04
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
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 6.0 * * * Version Details Vulnerabilities
3 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
4 Application Redhat Openstack 8 * * * Version Details Vulnerabilities
5 Application Redhat Openstack 9 * * * Version Details Vulnerabilities
6 Application Redhat Openstack 10 * * * Version Details Vulnerabilities
7 Application Redhat Openstack 12 * * * Version Details Vulnerabilities
8 Application Redhat Openstack 13 * * * 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
BID 105953
MLIST [qemu-devel] 20181012 [PATCH v2 00/11] chardev: Convert IO handlers to use unsigned type
MLIST [oss-security] 20181017 CVE-2018-18438 Qemu: Integer overflow in ccid_card_vscard_read() allows memory corruption
MLIST [qemu-devel] 20181012 [PATCH v2 07/11] chardev: Let IOReadHandler use unsigned type

- Metasploit Modules Related To CVE-2018-18438

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

CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.