CVE-2019-18281
CVSS V2 Medium 4.3
CVSS V3 Medium 4.3
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.
Overview
- CVE ID
- CVE-2019-18281
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2019-10-23T15:15:14
- Last Modified Date
- 2020-02-18T20:15:13
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:* | 1 | OR | 5.11.0 | 5.11.3 |
| cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:* | 1 | OR | 5.12.0 | 5.12.5 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- LOW
- Base Score
- 4.3
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| 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://www.debian.org/security/2019/dsa-4556 | Third Party Advisory |
| https://seclists.org/bugtraq/2019/Nov/4 | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/4275-1/ | |
| https://security.gentoo.org/glsa/202003-60 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-18281 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18281 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:49:30 | Added to TrackCVE | |||
| 2022-12-04 04:52:46 | 2019-10-23T15:15Z | 2019-10-23T15:15:14 | CVE Published Date | updated |
| 2022-12-04 04:52:46 | 2020-02-18T20:15:13 | CVE Modified Date | updated | |
| 2022-12-04 04:52:46 | Modified | Vulnerability Status | updated |