CVE-2019-15034

hw/display/bochs-display.c in QEMU 4.0.0 does not ensure a sufficient PCI config space allocation, leading to a buffer overflow involving the PCIe extended config space.

CVSS v3.0 5.8 MEDIUM
CVSS v2.0 4.4 MEDIUM

5.8^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 4.7

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

4.4^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01959.html	Mailing List Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
https://www.debian.org/security/2020/dsa-4665
https://usn.ubuntu.com/4372-1/

Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:4.0.0:*:*:*:*:*:*:*

Information

Published : 2020-03-10 11:15

Updated : 2020-05-28 16:15

NVD link : CVE-2019-15034

Mitre link : CVE-2019-15034

JSON object : View

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Products Affected

qemu

qemu

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01959.html", "name": "https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01959.html", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html", "name": "openSUSE-SU-2020:0468", "tags": [], "refsource": "SUSE"}, {"url": "https://www.debian.org/security/2020/dsa-4665", "name": "DSA-4665", "tags": [], "refsource": "DEBIAN"}, {"url": "https://usn.ubuntu.com/4372-1/", "name": "USN-4372-1", "tags": [], "refsource": "UBUNTU"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "hw/display/bochs-display.c in QEMU 4.0.0 does not ensure a sufficient PCI config space allocation, leading to a buffer overflow involving the PCIe extended config space."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-120"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-15034", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.4, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.8, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 1.0}}, "publishedDate": "2020-03-10T18:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:qemu:qemu:4.0.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-05-28T23:15Z"}

5.8 /10