CVE-2017-12176

xorg-x11-server before 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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
https://cgit.freedesktop.org/xorg/xserver/commit/?id=b747da5e25be944337a9cd1415506fc06b70aa81	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1509214	Issue Tracking Patch Third Party Advisory VDB Entry
https://www.debian.org/security/2017/dsa-4000	Third Party Advisory
https://security.gentoo.org/glsa/201711-05	Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html	Mailing List Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 2 (hide)

cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:*

Information

Published : 2018-01-24 07:29

Updated : 2019-10-09 16:22

NVD link : CVE-2017-12176

Mitre link : CVE-2017-12176

JSON object : View

CWE

CWE-20

Improper Input Validation

Advertisement

Products Affected

debian

debian_linux

x.org

xorg-server

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://cgit.freedesktop.org/xorg/xserver/commit/?id=b747da5e25be944337a9cd1415506fc06b70aa81", "name": "https://cgit.freedesktop.org/xorg/xserver/commit/?id=b747da5e25be944337a9cd1415506fc06b70aa81", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1509214", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1509214", "tags": ["Issue Tracking", "Patch", "Third Party Advisory", "VDB Entry"], "refsource": "CONFIRM"}, {"url": "https://www.debian.org/security/2017/dsa-4000", "name": "DSA-4000", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "https://security.gentoo.org/glsa/201711-05", "name": "GLSA-201711-05", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "GENTOO"}, {"url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html", "name": "[debian-lts-announce] 20171122 [SECURITY] [DLA 1186-1] xorg-server security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "xorg-x11-server before 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause X server to crash or possibly execute arbitrary code."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-12176", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "HIGH", "acInsufInfo": true, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2018-01-24T15:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.19.5"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-10-09T23:22Z"}