CVE-2020-14401

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 6.4 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/LibVNC/libvncserver/commit/a6788d1da719ae006605b78d22f5a9f170b423af	Patch Third Party Advisory
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13	Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html	Mailing List Third Party Advisory
https://usn.ubuntu.com/4434-1/	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html	Mailing List Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*

Configuration 2 (hide)

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

Configuration 3 (hide)

OR	cpe:2.3:o:opensuse:leap:15.1:::::::*
	cpe:2.3:o:opensuse:leap:15.2:::::::*

Configuration 4 (hide)

AND

cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_itc1900:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_itc1900_pro:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_itc2200:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND

cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_itc2200_pro:-:*:*:*:*:*:*:*

Information

Published : 2020-06-17 09:15

Updated : 2022-03-09 14:56

NVD link : CVE-2020-14401

Mitre link : CVE-2020-14401

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

Products Affected

siemens

simatic_itc2200_pro
simatic_itc1900_pro
simatic_itc2200
simatic_itc1500_firmware
simatic_itc2200_pro_firmware
simatic_itc1500
simatic_itc1500_pro
simatic_itc1900_firmware
simatic_itc2200_firmware
simatic_itc1500_pro_firmware
simatic_itc1900
simatic_itc1900_pro_firmware

libvncserver_project

libvncserver

opensuse

leap

debian

debian_linux

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/LibVNC/libvncserver/commit/a6788d1da719ae006605b78d22f5a9f170b423af", "name": "https://github.com/LibVNC/libvncserver/commit/a6788d1da719ae006605b78d22f5a9f170b423af", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13", "name": "https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13", "tags": ["Release Notes", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html", "name": "[debian-lts-announce] 20200630 [SECURITY] [DLA 2264-1] libvncserver security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html", "name": "openSUSE-SU-2020:0988", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html", "name": "openSUSE-SU-2020:1025", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html", "name": "openSUSE-SU-2020:1056", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "https://usn.ubuntu.com/4434-1/", "name": "USN-4434-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html", "name": "[debian-lts-announce] 20200828 [SECURITY] [DLA 2347-1] libvncserver security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-190"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-14401", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 4.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 3.9}}, "publishedDate": "2020-06-17T16:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "0.9.13"}]}, {"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:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc1900:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc1900_pro:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc2200:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc2200_pro:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-03-09T22:56Z"}

6.5 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.4 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

JSON object

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Attach tags to `CVE-2020-14401`