PT-2017-16589 · Tigervnc+3 · Tigervnc+3

Michalsrb · Published 2017-01-13 · Updated 2018-01-05 · CVE-2017-5581

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions TigerVNC versions prior to 1.7.1

Description The issue is related to a buffer overflow in the ModifiablePixelBuffer::fillRect function. This allows remote servers to execute arbitrary code via an RRE message with a subrectangle outside framebuffer boundaries.

Recommendations For versions prior to 1.7.1, update to version 1.7.1 or later to resolve the issue.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2017-1039

CESA-2017_0630

CESA-2017_2000

CVE-2017-5581

RHSA-2017:0630

RHSA-2017:2000

RHSA-2017_0630

RHSA-2017_2000

Affected Products

Alt Linux

Centos

Red Hat

Tigervnc

References · 18

• https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720ba · Patch
• https://github.com/TigerVNC/tigervnc/pull/399 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2017-5581 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2017-5581 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2017-2000.html · Vendor Advisory
• http://openwall.com/lists/oss-security/2017/01/25/6 · Patch
• https://security.gentoo.org/glsa/201702-19 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-5581 · Vendor Advisory
• http://openwall.com/lists/oss-security/2017/01/22/1 · Patch
• https://osv.dev/vulnerability/CVE-2017-5581 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2017:2000 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2017-0630.html · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2017-0630.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5581 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-5581 · Vendor Advisory