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ubuntucveUbuntu.comUB:CVE-2019-3855
HistoryMar 21, 2019 - 12:00 a.m.

CVE-2019-3855

2019-03-2100:00:00
ubuntu.com
ubuntu.com
11

8.8 High

CVSS3

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

9.3 High

CVSS2

Access Vector

NETWORK

Access 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

0.01 Low

EPSS

Percentile

83.6%

JSON

An integer overflow flaw which could lead to an out of bounds write was
discovered in libssh2 before 1.8.1 in the way packets are read from the
server. A remote attacker who compromises a SSH server may be able to
execute code on the client system when a user connects to the server.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibssh2< anyUNKNOWN
ubuntu14.04noarchlibssh2< 1.4.3-2ubuntu0.2+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlibssh2< 1.5.0-2ubuntu0.1+esm1UNKNOWN

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8.8 High

CVSS3

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

9.3 High

CVSS2

Access Vector

NETWORK

Access 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

0.01 Low

EPSS

Percentile

83.6%

JSON
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