CVE-2018-11806

m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams.

CVSS v3.0 8.2 HIGH
CVSS v2.0 7.2 HIGH

8.2^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.5 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.zerodayinitiative.com/advisories/ZDI-18-567/	Third Party Advisory VDB Entry
https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg01012.html	Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1586245	Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/104400	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2018/06/07/1	Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2462	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2762	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2822	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2887	Third Party Advisory
https://usn.ubuntu.com/3826-1/	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00010.html	Mailing List Third Party Advisory
https://www.debian.org/security/2019/dsa-4454	Third Party Advisory
https://seclists.org/bugtraq/2019/May/76	Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2892	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Configuration 3 (hide)

OR	cpe:2.3:a:redhat:openstack:8:::::::*
	cpe:2.3:a:redhat:openstack:9:::::::*
	cpe:2.3:a:redhat:openstack:10:::::::*
	cpe:2.3:a:redhat:openstack:12:::::::*
	cpe:2.3:a:redhat:openstack:13:::::::*
	cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.7:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:::::::*

Configuration 4 (hide)

AND

cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

Configuration 5 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Information

Published : 2018-06-13 09:29

Updated : 2021-08-04 10:15

NVD link : CVE-2018-11806

Mitre link : CVE-2018-11806

JSON object : View

CWE

CWE-787

Out-of-bounds Write

Products Affected

redhat

enterprise_linux_desktop
enterprise_linux_server_aus
openstack
enterprise_linux_workstation
virtualization
enterprise_linux
enterprise_linux_server_tus
enterprise_linux_server
enterprise_linux_eus

canonical

ubuntu_linux

qemu

qemu

debian

debian_linux

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"accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.5}}, "publishedDate": "2018-06-13T16:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": 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"cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", 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8.2 /10