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ubuntucveUbuntu.comUB:CVE-2020-17498
HistoryAug 13, 2020 - 12:00 a.m.

CVE-2020-17498

2020-08-1300:00:00
ubuntu.com
ubuntu.com
19
wireshark
protocol dissector
vulnerability
patched
kafka
lz4
decompression

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.003

Percentile

65.5%

In Wireshark 3.2.0 to 3.2.5, the Kafka protocol dissector could crash. This
was addressed in epan/dissectors/packet-kafka.c by avoiding a double free
during LZ4 decompression.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchwireshark< 3.2.3-1ubuntu0.1~esm1UNKNOWN

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.003

Percentile

65.5%