CVE-2019-18281
"Qt Out-of-Bounds Memory Access Denial of Service"
Description
An out-of-bounds memory access in the generateDirectionalRuns() function in qtextengine.cpp in Qt qtbase 5.11.x and 5.12.x before 5.12.5 allows attackers to cause a denial of service by crashing an application via a text file containing many directional characters.
INFO
Published Date :
Oct. 23, 2019, 3:15 p.m.
Last Modified :
Feb. 18, 2020, 8:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
2.8
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-2019-18281.
| URL | Resource |
|---|---|
| https://bugreports.qt.io/browse/QTBUG-77819 | Permissions Required |
| https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784 | Issue Tracking Third Party Advisory |
| https://codereview.qt-project.org/c/qt/qtbase/+/271889 | Patch Vendor Advisory |
| https://seclists.org/bugtraq/2019/Nov/4 | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202003-60 | |
| https://usn.ubuntu.com/4275-1/ | |
| https://www.debian.org/security/2019/dsa-4556 | 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-18281 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-18281 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]
Mar. 26, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202003-60 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 18, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4275-1/ [No Types Assigned] -
Modified Analysis by [email protected]
Jan. 09, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Changed Reference Type https://seclists.org/bugtraq/2019/Nov/4 No Types Assigned https://seclists.org/bugtraq/2019/Nov/4 Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2019/dsa-4556 No Types Assigned https://www.debian.org/security/2019/dsa-4556 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 04, 2019
Action Type Old Value New Value Added Reference https://seclists.org/bugtraq/2019/Nov/4 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 01, 2019
Action Type Old Value New Value Added Reference https://www.debian.org/security/2019/dsa-4556 [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 25, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugreports.qt.io/browse/QTBUG-77819 No Types Assigned https://bugreports.qt.io/browse/QTBUG-77819 Permissions Required Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784 No Types Assigned https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784 Issue Tracking, Third Party Advisory Changed Reference Type https://codereview.qt-project.org/c/qt/qtbase/+/271889 No Types Assigned https://codereview.qt-project.org/c/qt/qtbase/+/271889 Patch, Vendor Advisory Added CWE NIST CWE-119 Added CPE Configuration OR *cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:* versions from (including) 5.11.0 up to (including) 5.11.3 *cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:* versions from (including) 5.12.0 up to (excluding) 5.12.5
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-18281 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-2019-18281
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.28 }} 0.46%
score
0.86037
percentile