CVE-2020-14399

An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
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://bugzilla.redhat.com/show_bug.cgi?id=1860354	Issue Tracking Patch Third Party Advisory
https://github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d	Patch
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13	Release Notes
https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html	Mailing List Third Party Advisory
https://usn.ubuntu.com/4434-1/	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://bugzilla.redhat.com/show_bug.cgi?id=1860354	Issue Tracking Patch Third Party Advisory
https://github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d	Patch
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13	Release Notes
https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html	Mailing List Third Party Advisory
https://usn.ubuntu.com/4434-1/	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)

OR	cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::

History

21 Nov 2024, 05:03

Type	Values Removed	Values Added
References	~~() 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/msg00033.html - Mailing List, Third Party Advisory
References	~~() 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/msg00055.html - Mailing List, Third Party Advisory
References	~~() http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html - Mailing List, Third Party Advisory~~	() http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html - Mailing List, Third Party Advisory
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=1860354 - Issue Tracking, Patch, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=1860354 - Issue Tracking, Patch, Third Party Advisory
References	~~() https://github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d - Patch~~	() https://github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d - Patch
References	~~() https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 - Release Notes~~	() https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 - Release Notes
References	~~() https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html - Mailing List, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html - Mailing List, Third Party Advisory
References	~~() https://usn.ubuntu.com/4434-1/ - Third Party Advisory~~	() https://usn.ubuntu.com/4434-1/ - Third Party Advisory

Information

Published : 2020-06-17 16:15

Updated : 2024-11-21 05:03

NVD link : CVE-2020-14399

Mitre link : CVE-2020-14399

CVE.ORG link : CVE-2020-14399

JSON object : View

Products Affected

debian

debian_linux

opensuse

leap

libvncserver_project

libvncserver

canonical

ubuntu_linux

CWE

NVD-CWE-Other

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Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly \"no trust boundary crossed."}, {"lang": "es", "value": "**EN DISPUTA** Se detect\u00f3 un problema en LibVNCServer versiones anteriores a 0.9.13. Los datos Byte-aligned son accedidos por medio de punteros uint32_t en la biblioteca libvncclient/rfbproto.c. NOTA: se informa que \"no se ha cruzado ning\u00fan l\u00edmite de confianza\"."}], "lastModified": "2024-11-21T05:03:10.867", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4F3C4EF0-4663-4832-8662-D1AB70E562E7", "versionEndExcluding": "0.9.13"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"}, {"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}

7.5 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

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7.5^/10

5.0^/10

Attach tags to `CVE-2020-14399`