CVE-2020-12267

setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450	Exploit Issue Tracking Third Party Advisory
https://codereview.qt-project.org/c/qt/qtbase/+/291706	Patch Third Party Advisory
https://security.gentoo.org/glsa/202007-38	Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450	Exploit Issue Tracking Third Party Advisory
https://codereview.qt-project.org/c/qt/qtbase/+/291706	Patch Third Party Advisory
https://security.gentoo.org/glsa/202007-38	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qt:qt:5.14.1:*:*:*:*:*:*:*

History

21 Nov 2024, 04:59

Type	Values Removed	Values Added
References	~~() https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450 - Exploit, Issue Tracking, Third Party Advisory~~	() https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450 - Exploit, Issue Tracking, Third Party Advisory
References	~~() https://codereview.qt-project.org/c/qt/qtbase/+/291706 - Patch, Third Party Advisory~~	() https://codereview.qt-project.org/c/qt/qtbase/+/291706 - Patch, Third Party Advisory
References	~~() https://security.gentoo.org/glsa/202007-38 - Third Party Advisory~~	() https://security.gentoo.org/glsa/202007-38 - Third Party Advisory

Information

Published : 2020-04-27 02:15

Updated : 2024-11-21 04:59

NVD link : CVE-2020-12267

Mitre link : CVE-2020-12267

CVE.ORG link : CVE-2020-12267

JSON object : View

Products Affected

qt

qt

CWE

CWE-416

Use After Free

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