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ubuntucveUbuntu.comUB:CVE-2019-2126
HistoryAug 20, 2019 - 12:00 a.m.

CVE-2019-2126

2019-08-2000:00:00
ubuntu.com
ubuntu.com
18

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

AI Score

8.5

Confidence

High

EPSS

0.008

Percentile

81.9%

In ParseContentEncodingEntry of mkvparser.cc, there is a possible double
free due to a missing reset of a freed pointer. This could lead to remote
code execution with no additional execution privileges needed. User
interaction is needed for exploitation. Product: Android. Versions:
Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9.
Android ID: A-127702368.

Notes

Author Note
alexmurray mkvparser.cc is embedded in libwebm in various other packages
mdeslaur mkvparser.cc doesn’t appear to be built in the firefox package aom in mantic and noble uses the system libwebm

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

AI Score

8.5

Confidence

High

EPSS

0.008

Percentile

81.9%