PT-2017-17703 · Tigervnc+3 · Tigervnc+3

Carnil · Published 2017-04-01 · Updated 2018-01-13 · CVE-2017-7393

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TigerVNC version 1.7.1

Description The issue allows an authenticated client to cause a double free in the VNCSConnectionST::fence function, located in VNCSConnectionST.cxx, potentially leading to denial of service or code execution.

Recommendations For TigerVNC version 1.7.1, consider applying a patch or fix that addresses the double free issue in the VNCSConnectionST::fence function to prevent potential denial of service or code execution.

Fix

DoS

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CESA-2017_2000

CVE-2017-7393

RHSA-2017:2000

RHSA-2017_2000

SUSE-SU-2017:1093-1

SUSE-SU-2017:1094-1

Affected Products

Centos

Red Hat

Suse

Tigervnc

References · 30

• https://github.com/TigerVNC/tigervnc/pull/438 · Patch
• https://access.redhat.com/errata/RHSA-2017:2000 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-7393 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2017-7393 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2017-2000.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-7393 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-7393 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-7393 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:1093-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-7393 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:1094-1 · Vendor Advisory
• https://security.gentoo.org/glsa/201801-13 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-7393 · Security Note
• http://securityfocus.com/bid/97305 · Note
• https://bugzilla.suse.com/1031879 · Note