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ubuntucveUbuntu.comUB:CVE-2019-3863
HistoryMar 25, 2019 - 12:00 a.m.

CVE-2019-3863

2019-03-2500:00:00
ubuntu.com
ubuntu.com
16

6.8 Medium

CVSS2

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

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

0.005 Low

EPSS

Percentile

76.9%

A flaw was found in libssh2 before 1.8.1. A server could send a multiple
keyboard interactive response messages whose total length are greater than
unsigned char max characters. This value is used as an index to copy memory
causing in an out of bounds memory write error.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibssh2< anyUNKNOWN
ubuntu14.04noarchlibssh2< 1.4.3-2ubuntu0.2+esm2UNKNOWN
ubuntu16.04noarchlibssh2< 1.5.0-2ubuntu0.1+esm1UNKNOWN

6.8 Medium

CVSS2

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

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

0.005 Low

EPSS

Percentile

76.9%