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CVE-2017-5581

Date: February 28, 2017

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.

Language: C++

Severity Score

Related Resources (13)

http://rhn.redhat.com/errata/RHSA-2017-0630.html
https://github.com/TigerVNC/tigervnc/pull/399
http://www.securityfocus.com/bid/95789
https://nvd.nist.gov/vuln/detail/CVE-2017-5581
http://www.openwall.com/lists/oss-security/2017/01/22/1
https://access.redhat.com/security/cve/CVE-2017-5581
https://security-tracker.debian.org/tracker/CVE-2017-5581
https://access.redhat.com/errata/RHSA-2017:2000
https://security.gentoo.org/glsa/201702-19
https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720ba
https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1
http://www.openwall.com/lists/oss-security/2017/01/25/6
https://www.mend.io/vulnerability-database/CVE-2017-5581

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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