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ubuntucveUbuntu.comUB:CVE-2020-13584
HistoryDec 03, 2020 - 12:00 a.m.

CVE-2020-13584

2020-12-0300:00:00
ubuntu.com
ubuntu.com
17
webkitgtk
use-after-free
remote code execution
web page
vulnerability
html
webkit
browser

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

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.013

Percentile

86.0%

JSON

An exploitable use-after-free vulnerability exists in WebKitGTK browser
version 2.30.1 x64. A specially crafted HTML web page can cause a
use-after-free condition, resulting in a remote code execution. The victim
needs to visit a malicious web site to trigger this vulnerability.

Notes

Author Note
jdstrand webkit receives limited support. For details, see https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

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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

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.013

Percentile

86.0%

JSON
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