7.8
HIGH
CVE-2019-6778
QEMU TCP Emulator Heap-Based Buffer Overflow Vulnerability
Description

In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.

INFO

Published Date :

March 21, 2019, 4:01 p.m.

Last Modified :

Nov. 7, 2023, 3:13 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2019-6778 has a 3 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-2019-6778 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 Canonical ubuntu_linux
1 Fedoraproject fedora
1 Opensuse leap
1 Qemu qemu
: Total Affected Vendor : 4 | Products : 4
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-2019-6778.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00073.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
http://www.openwall.com/lists/oss-security/2019/01/24/5 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/106758 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:1883
https://access.redhat.com/errata/RHSA-2019:1968
https://access.redhat.com/errata/RHSA-2019:2425
https://access.redhat.com/errata/RHSA-2019:2892
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/
https://lists.gnu.org/archive/html/qemu-devel/2019-01/msg03132.html Mailing List Third Party Advisory Patch
https://seclists.org/bugtraq/2019/May/76
https://usn.ubuntu.com/3923-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4454

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).

Profile Photo
xtxtn/vnctf2024-escape_langlang_mountain2wp

None

C

Updated: 8 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Feb. 17, 2024, 2:21 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
alphaSeclab/sec-daily-2019

2019年天融信阿尔法实验室在微信公众号发布的所有安全资讯汇总

Updated: 2 months, 3 weeks ago
33 stars 5 fork 5 watcher
Born at : Jan. 11, 2021, 2:13 a.m. This repo has been linked 240 different CVEs too.
Profile Photo
0xKira/qemu-vm-escape

None

C

Updated: 3 months, 1 week ago
278 stars 55 fork 55 watcher
Born at : June 13, 2019, 12:35 p.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-2019-6778 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-6778 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
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-119 CWE-787
  • CVE Modified by [email protected]

    Apr. 07, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 24, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2892 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 02, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00001.html [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 09, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2425 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 30, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:1968 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 29, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:1883 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 31, 2019

    Action Type Old Value New Value
    Added Reference https://seclists.org/bugtraq/2019/May/76 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 31, 2019

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2019/dsa-4454 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 17, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 29, 2019

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html Mailing List, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3923-1/ No Types Assigned https://usn.ubuntu.com/3923-1/ Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/ Mailing List, Release Notes, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 29, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 28, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 27, 2019

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/ Mailing List, Release Notes, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 27, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3923-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 25, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 22, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://lists.gnu.org/archive/html/qemu-devel/2019-01/msg03132.html No Types Assigned https://lists.gnu.org/archive/html/qemu-devel/2019-01/msg03132.html Mailing List, Patch, Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2019/01/24/5 No Types Assigned http://www.openwall.com/lists/oss-security/2019/01/24/5 Mailing List, Patch, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00073.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00073.html Mailing List, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/106758 No Types Assigned http://www.securityfocus.com/bid/106758 Third Party Advisory, VDB Entry
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:3.0.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
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-2019-6778 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-2019-6778 weaknesses.

Exploit Prediction

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

0.06 }} 0.01%

score

0.23414

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: