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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
11
putty
vulnerability
remote
ssh-1
denial of service

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

AI Score

6.6

Confidence

High

EPSS

0.01

Percentile

83.7%

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.

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

AI Score

6.6

Confidence

High

EPSS

0.01

Percentile

83.7%