CVE-2020-35512

Published: Feb 15, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-416

7.8HIGH

NVD MITRE

Description

A use-after-free flaw was found in D-Bus Development branch <= 1.13.16, dbus-1.12.x stable branch <= 1.12.18, and dbus-1.10.x and older branches <= 1.10.30 when a system has multiple usernames sharing the same UID. When a set of policy rules references these usernames, D-Bus may free some memory in the heap, which is still used by data structures necessary for the other usernames sharing the UID, possibly leading to a crash or other undefined behaviors

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-416

Affected Products

freedesktop

oss-projectaka freedesktop.org

dbus

OSS Libraries

and 3 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

View detailed technique mapping

References

https://bugs.gentoo.org/755392

bugs.gentoo.org

https://bugzilla.redhat.com/show_bug.cgi?id=1909101

bugzilla.redhat.com

https://gitlab.freedesktop.org/dbus/dbus/-/issues/305#note_829128

gitlab.freedesktop.org

and 1 more references View all →

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