CVE-2018-7226

An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.

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://github.com/LibVNC/vncterm/issues/6	Patch Third Party Advisory
http://openwall.com/lists/oss-security/2018/02/18/2	Mailing List
https://security.gentoo.org/glsa/201908-05

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Configurations

Configuration 1 (hide)

cpe:2.3:a:vncterm_project:vncterm:*:*:*:*:*:*:*:*

Information

Published : 2018-02-19 09:29

Updated : 2019-08-09 16:15

NVD link : CVE-2018-7226

Mitre link : CVE-2018-7226

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

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Products Affected

vncterm_project

vncterm

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