CVE-2023-5574
Xorg-x11-server: use-after-free bug in damagedestroy
Description
A use-after-free flaw was found in xorg-x11-server-Xvfb. This issue occurs in Xvfb with a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode). If the pointer is warped from a screen 1 to a screen 0, a use-after-free issue may be triggered during shutdown or reset of the Xvfb server, allowing for possible escalation of privileges or denial of service.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Red Hat Inc.
commercial·USaka redhat, Red Hat
Сообщество свободного программного обеспечения
oss-projectaka fsf
ООО «Ред Софт»
commercial·RUaka red soft
X.Org Foundation
oss-project·USaka xlib, libx11, xorg-server
АО «НППКТ»
commercial·RU
and 6 more affected products View all →
Exploitability
Official Patch Available
Workaround Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1189
gitlab.freedesktop.org
https://access.redhat.com/security/cve/CVE-2023-5574
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2244735
bugzilla.redhat.com
and 13 more references View all →
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