CVE-2015-8316

Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.

CVSS v3.0 5.9 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.9^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1284574	Issue Tracking Third Party Advisory VDB Entry
https://bugs.launchpad.net/lightdm/+bug/1516831	Issue Tracking Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2015/11/22/1	Mailing List VDB Entry

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:lightdm_project:lightdm:1.16.4:::::::*
	cpe:2.3:a:lightdm_project:lightdm:1.14.3:::::::*
	cpe:2.3:a:lightdm_project:lightdm:1.16.3:::::::*
	cpe:2.3:a:lightdm_project:lightdm:1.16.2:::::::*
	cpe:2.3:a:lightdm_project:lightdm:1.16.1:::::::*
	cpe:2.3:a:lightdm_project:lightdm:1.16:::::::*

Information

Published : 2017-09-06 14:29

Updated : 2017-09-21 11:50

NVD link : CVE-2015-8316

Mitre link : CVE-2015-8316

JSON object : View

CWE

CWE-129

Improper Validation of Array Index

Advertisement

Products Affected

lightdm_project

lightdm

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1284574", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1284574", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "refsource": "CONFIRM"}, {"url": "https://bugs.launchpad.net/lightdm/+bug/1516831", "name": "https://bugs.launchpad.net/lightdm/+bug/1516831", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2015/11/22/1", "name": "[oss-security] 20151122 Re: CVE request for LightDM - XDMCP denial of service", "tags": ["Mailing List", "VDB Entry"], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-129"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2015-8316", "ASSIGNER": "security@debian.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}}, "publishedDate": "2017-09-06T21:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:lightdm_project:lightdm:1.16.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:lightdm_project:lightdm:1.14.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:lightdm_project:lightdm:1.16.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:lightdm_project:lightdm:1.16.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:lightdm_project:lightdm:1.16.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:lightdm_project:lightdm:1.16:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2017-09-21T18:50Z"}