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CVE-2020-14363

HIGH

7.8

Description

An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published9/11/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

fedoraproject:fedorax.org:libx11

Weaknesses (CWE)

CWE-190CWE-416CWE-190

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14363(secalert@redhat.com)

https://github.com/Ruia-ruia/Exploits/blob/master/DFX11details.txt(secalert@redhat.com)

https://github.com/Ruia-ruia/Exploits/blob/master/x11doublefree.sh(secalert@redhat.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7AVXCQOSCAPKYYHFIJAZ6E2C7LJBTLXF/(secalert@redhat.com)

https://lists.x.org/archives/xorg-announce/2020-August/003056.html(secalert@redhat.com)

https://usn.ubuntu.com/4487-2/(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14363(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/Ruia-ruia/Exploits/blob/master/DFX11details.txt(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/Ruia-ruia/Exploits/blob/master/x11doublefree.sh(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7AVXCQOSCAPKYYHFIJAZ6E2C7LJBTLXF/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.x.org/archives/xorg-announce/2020-August/003056.html(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/4487-2/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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