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ubuntucveUbuntu.comUB:CVE-2020-9926
HistoryApr 02, 2021 - 12:00 a.m.

CVE-2020-9926

2021-04-0200:00:00
ubuntu.com
ubuntu.com
12
use after free
memory management
ios 13.6
ipados 13.6
tvos 13.4.8
watchos 6.2.8
icloud for windows 7.20
macos catalina 10.15.6
security update 2020-004 mojave
security update 2020-004 high sierra
malicious xml
application termination
arbitrary code execution

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

45.2%

A use after free issue was addressed with improved memory management. This
issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8,
iCloud for Windows 7.20, macOS Catalina 10.15.6, Security Update 2020-004
Mojave, Security Update 2020-004 High Sierra. Processing maliciously
crafted XML may lead to an unexpected application termination or arbitrary
code execution.

Notes

Author Note
mdeslaur no details on this affecting anything other then macOS

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

45.2%

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