CVE-2014-7840

The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers to execute arbitrary code via a crafted (1) offset or (2) length value in savevm data.

CVSS v2.0 7.5 HIGH

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=0be839a2701369f669532ea5884c15bead1c6e08
http://rhn.redhat.com/errata/RHSA-2015-0349.html	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0624.html	Third Party Advisory
http://thread.gmane.org/gmane.comp.emulators.qemu/306117	Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=1163075	Issue Tracking Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/99194	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.4:::::::*
	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:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::*
	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_workstation:7.0:::::::*

Configuration 3 (hide)

AND

cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*

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

History

No history.

Information

Published : 2014-12-12 15:59

Updated : 2024-02-04 18:35

NVD link : CVE-2014-7840

Mitre link : CVE-2014-7840

CVE.ORG link : CVE-2014-7840

JSON object : View

Products Affected

redhat

virtualization
enterprise_linux_server_aus
enterprise_linux_workstation
enterprise_linux_server
enterprise_linux
enterprise_linux_eus
enterprise_linux_desktop

qemu

qemu

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2014-7840", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2014-12-12T15:59:08.073", "references": [{"url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=0be839a2701369f669532ea5884c15bead1c6e08", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-0349.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-0624.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://thread.gmane.org/gmane.comp.emulators.qemu/306117", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1163075", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/99194", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers to execute arbitrary code via a crafted (1) offset or (2) length value in savevm data."}, {"lang": "es", "value": "La funci\u00f3n host_from_stream_offset en arch_init.c en QEMU, cuando carga RAM durante la migraci\u00f3n, permite a atacantes remotos ejecutar c\u00f3digo arbitrario a trav\u00e9s de un valor (1) offset o (2) length manipulado en datos savevm."}], "lastModified": "2023-02-13T00:42:33.533", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3002CD11-CEF2-4CAF-A883-3B5BF4E8503A", "versionEndIncluding": "2.1.3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "807C024A-F8E8-4B48-A349-4C68CD252CA1"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F96E3779-F56A-45FF-BB3D-4980527D721E"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0CF73560-2F5B-4723-A8A1-9AADBB3ADA00"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5BF3C7A5-9117-42C7-BEA1-4AA378A582EF"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "83737173-E12E-4641-BC49-0BD84A6B29D0"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "98381E61-F082-4302-B51F-5648884F998B"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D99A687E-EAE6-417E-A88E-D0082BC194CD"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B353CE99-D57C-465B-AAB0-73EF581127D1"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7431ABC1-9252-419E-8CC1-311B41360078"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D86166F9-BBF0-4650-8CCD-0F9C97104D21"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "secalert@redhat.com"}