5.5
MEDIUM
CVE-2016-9776
QEMU ColdFire Fast Ethernet Controller Infinite Loop Denial of Service
Description

QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in 'mcf_fec_receive'. A privileged user/process inside guest could use this issue to crash the QEMU process on the host leading to DoS.

INFO

Published Date :

Dec. 29, 2016, 10:59 p.m.

Last Modified :

Nov. 10, 2020, 6:45 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2016-9776 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2016-9776 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Qemu qemu
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-9776.

URL Resource
http://www.openwall.com/lists/oss-security/2016/12/02/3 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/8 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94638 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1400829 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.html Patch Vendor Advisory
https://security.gentoo.org/glsa/201701-49 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

A Semantics-Enhanced Learnable Vulnerability Detector

Python C++ C HTML JavaScript Vue CSS

Updated: 1 year, 3 months ago
43 stars 5 fork 5 watcher
Born at : Dec. 11, 2021, 9:31 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-9776 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-9776 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Nov. 10, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1400829 Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1400829 Issue Tracking, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/201701-49 No Types Assigned https://security.gentoo.org/glsa/201701-49 Third Party Advisory
    Removed CWE NIST CWE-399
    Added CWE NIST CWE-835
    Changed CPE Configuration OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to (including) 2.7.1 *cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:2.8.0:rc1:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:2.8.0:rc2:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 07, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201701-49 [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 30, 2016

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.html No Types Assigned https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.html Vendor Advisory, Patch
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1400829 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1400829 Issue Tracking
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/12/02/8 No Types Assigned http://www.openwall.com/lists/oss-security/2016/12/02/8 Third Party Advisory, Mailing List
    Changed Reference Type http://www.securityfocus.com/bid/94638 No Types Assigned http://www.securityfocus.com/bid/94638 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/12/02/3 No Types Assigned http://www.openwall.com/lists/oss-security/2016/12/02/3 Third Party Advisory, Mailing List
    Added CWE CWE-399
    Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-9776 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-9776 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.24592

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability