CVE-2020-11102

hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.

CVSS v3 5.6 MEDIUM
CVSS v2.0 6.8 MEDIUM

5.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.openwall.com/lists/oss-security/2020/04/06/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg08322.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202005-02
http://www.openwall.com/lists/oss-security/2020/04/06/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/06/1	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg08322.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202005-02

Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-04-06 16:15

Updated : 2026-06-17 02:49

NVD link : CVE-2020-11102

Mitre link : CVE-2020-11102

CVE.ORG link : CVE-2020-11102

JSON object : View

Products Affected

qemu

qemu

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2020-11102", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.6, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 2.2}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}]}], "published": "2020-04-06T16:15:13.347", "references": [{"url": "http://www.openwall.com/lists/oss-security/2020/04/06/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2020/04/06/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2020/04/06/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2020/04/06/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg08322.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/202005-02", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2020/04/06/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2020/04/06/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2020/04/06/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2020/04/06/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg08322.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202005-02", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length."}, {"lang": "es", "value": "El archivo hw/net/tulip.c en QEMU versi\u00f3n 4.2.0, presenta un desbordamiento de b\u00fafer durante la copia de los b\u00faferes tx/rx porque el tama\u00f1o de trama no est\u00e1 validado con respecto a la longitud de datos r/w."}], "lastModified": "2026-06-17T02:49:03.263", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B224F3C1-3F8B-4178-82B1-4264C1811A0C"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}