CVE-2001-1476

Severity

75%

Complexity

99%

Confidentiality

106%

SSH before 2.0, with RC4 encryption and the "disallow NULL passwords" option enabled, makes it easier for remote attackers to guess portions of user passwords by replaying user sessions with certain modifications, which trigger different messages depending on whether the guess is correct or not.

SSH before 2.0, with RC4 encryption and the "disallow NULL passwords" option enabled, makes it easier for remote attackers to guess portions of user passwords by replaying user sessions with certain modifications, which trigger different messages depending on whether the guess is correct or not.

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

Type

SSH Communications Security SSH daemon

First reported 24 years ago

2001-01-18 05:00:00

Last updated 7 years ago

2017-07-11 01:29:00

Affected Software

SSH Communications Security SSH daemon 1.2.24

1.2.24

SSH Communications Security SSH daemon 1.2.25

1.2.25

SSH Communications Security SSH daemon 1.2.26

1.2.26

SSH Communications Security SSH daemon 1.2.27

1.2.27

SSH Communications Security SSH daemon 1.2.28

1.2.28

SSH Communications Security SSH daemon 1.2.29

1.2.29

SSH Communications Security SSH daemon 1.2.30

1.2.30

SSH Communications Security SSH daemon 1.2.31

1.2.31

References

VU#565052

Exploit, Patch, US Government Resource

ssh-rc4-replay-conversation(6490)

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