CVE-2017-5581

Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 6.8 MEDIUM

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

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

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1	Release Notes Third Party Advisory
https://github.com/TigerVNC/tigervnc/pull/399	Patch Third Party Advisory
https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720ba	Patch Third Party Advisory
http://www.securityfocus.com/bid/95789	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2017/01/25/6	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/01/22/1	Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201702-19
https://access.redhat.com/errata/RHSA-2017:2000
http://rhn.redhat.com/errata/RHSA-2017-0630.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:tigervnc:tigervnc:*:*:*:*:*:*:*:*

Information

Published : 2017-02-28 10:59

Updated : 2018-01-04 18:31

NVD link : CVE-2017-5581

Mitre link : CVE-2017-5581

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Products Affected

tigervnc

tigervnc

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9.8 /10