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veracodeVeracode Vulnerability DatabaseVERACODE:46647
HistoryApr 27, 2024 - 8:10 a.m.

Denial Of Service (DoS)

2024-04-2708:10:57
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
3
putty
vulnerability
remote
ssh-1
denial of service

5 Medium

CVSS2

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

80.7%

putty is vulnerable to Denial Of Service (DoS). The vulnerability is due to remote SSH-1 servers accessing freed memory locations via an SSH1_MSG_DISCONNECT message in PuTTY, allows remote SSH-1 servers to trigger a denial of service condition.

CPENameOperatorVersion
putty:bustereq0.70-6
putty:bustereq0.70-6

5 Medium

CVSS2

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

80.7%