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ubuntucveUbuntu.comUB:CVE-2015-3146
HistoryMay 05, 2015 - 12:00 a.m.

CVE-2015-3146

2015-05-0500:00:00
ubuntu.com
ubuntu.com
18

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.067

Percentile

93.9%

The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in
package_cb.c in libssh before 0.6.5 do not properly validate state, which
allows remote attackers to cause a denial of service (NULL pointer
dereference and crash) via a crafted SSH packet.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchlibssh< 0.5.2-1ubuntu0.12.04.6UNKNOWN
ubuntu14.04noarchlibssh< 0.6.1-0ubuntu3.3UNKNOWN
ubuntu15.10noarchlibssh< 0.6.3-3ubuntu3.2UNKNOWN

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.067

Percentile

93.9%