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ubuntucveUbuntu.comUB:CVE-2018-6789
HistoryFeb 07, 2018 - 12:00 a.m.

CVE-2018-6789

2018-02-0700:00:00
ubuntu.com
ubuntu.com
10

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.968 High

EPSS

Percentile

99.7%

An issue was discovered in the base64d function in the SMTP listener in
Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may
happen. This can be used to execute code remotely.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchexim4<Β 4.89-5ubuntu1.3UNKNOWN
ubuntu14.04noarchexim4<Β 4.82-3ubuntu2.4UNKNOWN
ubuntu16.04noarchexim4<Β 4.86.2-2ubuntu2.3UNKNOWN

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.968 High

EPSS

Percentile

99.7%