CVE-2016-2820

The Firefox Health Reports (aka FHR or about:healthreport) feature in Mozilla Firefox before 46.0 does not properly restrict the origin of events, which makes it easier for remote attackers to modify sharing preferences by leveraging access to the remote-report IFRAME element.

CVSS v3.0 4.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

4.3^/10

CVSS v3.0 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://www.mozilla.org/security/announce/2016/mfsa2016-48.html	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=870870
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
http://www.ubuntu.com/usn/USN-2936-1
http://www.ubuntu.com/usn/USN-2936-2
http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
http://www.ubuntu.com/usn/USN-2936-3
http://www.securitytracker.com/id/1035692
https://security.gentoo.org/glsa/201701-15

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Information

Published : 2016-04-30 10:59

Updated : 2017-06-30 18:29

NVD link : CVE-2016-2820

Mitre link : CVE-2016-2820

JSON object : View

CWE

CWE-284

Improper Access Control

Advertisement

Products Affected

mozilla

firefox

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://www.mozilla.org/security/announce/2016/mfsa2016-48.html", "name": "http://www.mozilla.org/security/announce/2016/mfsa2016-48.html", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=870870", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=870870", "tags": [], "refsource": "CONFIRM"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html", "name": "openSUSE-SU-2016:1211", "tags": [], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/USN-2936-1", "name": "USN-2936-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2936-2", "name": "USN-2936-2", "tags": [], "refsource": "UBUNTU"}, {"url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html", "name": "openSUSE-SU-2016:1251", "tags": [], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/USN-2936-3", "name": "USN-2936-3", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.securitytracker.com/id/1035692", "name": "1035692", "tags": [], "refsource": "SECTRACK"}, {"url": "https://security.gentoo.org/glsa/201701-15", "name": "GLSA-201701-15", "tags": [], "refsource": "GENTOO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The Firefox Health Reports (aka FHR or about:healthreport) feature in Mozilla Firefox before 46.0 does not properly restrict the origin of events, which makes it easier for remote attackers to modify sharing preferences by leveraging access to the remote-report IFRAME element."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-284"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-2820", "ASSIGNER": "security@mozilla.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}}, "publishedDate": "2016-04-30T17:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "45.0.2"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2017-07-01T01:29Z"}