Gnome
CVE-2017-1000044
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 1.67%. |
| Exploit ScenarioDerived | A remote attacker could corrupt memory to execute arbitrary code or crash the application by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
gtk-vnc 0.4.2 and older doesn't check framebuffer boundaries correctly when updating framebuffer which may lead to memory corruption when rendering. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. gtk-vnc 0.4.2 and older doesn't check framebuffer boundaries correctly when updating framebuffer which may lead to memory corruption when rendering Affected products include: Gnome Gtk-Vnc.
Know when Gnome gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
gtk-vnc 0.4.2 and older doesn't check framebuffer boundaries correctly when updating framebuffer which may lead to memory corruption when rendering
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Affected Products (CPE)CVE.org
backend/comics/comics-document.c (aka the comic book backend) in GNOME Evince before 3.24.1 allows remote attackers to e
Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attac
gio/gsocks4aproxy.c in GNOME GLib before 2.82.1 has an off-by-one error and resultant buffer overflow because SOCKS4_CON
Multiple integer overflows in the (1) vnc_connection_server_message and (2) vnc_color_map_set functions in gtk-vnc befor
GNOME OCRFeeder before 0.8.4 allows OS command injection via shell metacharacters in a PDF or image filename. Rated crit
libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup
Gnome Pango 1.42 and later is affected by: Buffer Overflow. Rated critical severity (CVSS 9.8), this vulnerability is re
In GNOME GLib 2.56.1, g_markup_parse_context_end_parse() in gmarkup.c has a NULL pointer dereference. Rated critical sev
Heap-based buffer overflow in GLib's g_escape_uri_string() function allows local attackers to achieve high-integrity and
An exploitable heap overflow vulnerability exists in the gdk_pixbuf__jpeg_image_load_increment functionality of Gdk-Pixb
Eye of GNOME (aka eog) 3.16.5, 3.17.x, 3.18.x before 3.18.3, 3.19.x, and 3.20.x before 3.20.4, when used with glib befor
An exploitable integer overflow vulnerability exists in the tiff_image_parse functionality of Gdk-Pixbuf 2.36.6 when com
GitHub PoC
Exploit-DB