NetScreen ScreenOS SSHv1 denial of service

netscreen-screenos-sshv1-dos (16876) The risk level is classified as MediumMedium Risk

Description:

NetScreen is vulnerable to a denial of service attack. If SSHv1 is enabled, a remote attacker could establish a connection to the SSHv1 service to cause the device to hang or reboot.


Consequences:

Denial of Service

Remedy:

For ScreenOS 5.x:
Upgrade to the latest version (5.0.0r8 or 5.0.0r8.1 or later), as listed in Juniper Networks NetScreen Advisory 59147. See References.

For ScreenOS 4.x:
Upgrade to the latest version (4.0.0r13 or 4.0.1r11 or 4.0.3r8 or 4.0.1-Dial2r5 or 4.0.1-SBRr5 or 4.0.1-IGMP3r4 or 4.0.1-MCASTr2 or later), as listed in Juniper Networks NetScreen Advisory 59147. See References.

For ScreenOS 3.x:
Upgrade to the latest version (3.0.3r9 or later), as listed in Juniper Networks NetScreen Advisory 59147. See References.

References:

  • Juniper Networks NetScreen Advisory 59147: Remote crash of ScreenOS via the SSHv1 service.
  • BID-10854: Juniper Networks NetScreen SSHv1 Denial Of Service Vulnerability
  • CVE-2004-1446: Unknown vulnerability in ScreenOS in Juniper Networks NetScreen firewall 3.x through 5.x allows remote attackers to cause a denial of service (device reboot or hang) via a crafted SSH v1 packet.
  • SA12208: NetScreen ScreenOS SSHv1 Denial of Service Vulnerability
  • US-CERT VU#749870: Juniper Networks NetScreen firewall contains a DoS vulnerability in the SSHv1 service

Platforms Affected:

  • Juniper NetScreen ScreenOS 1.64
  • Juniper NetScreen ScreenOS 1.66
  • Juniper NetScreen ScreenOS 1.66r2
  • Juniper NetScreen ScreenOS 1.7
  • Juniper NetScreen ScreenOS 1.73r1
  • Juniper NetScreen ScreenOS 1.73r2
  • Juniper NetScreen ScreenOS 2.0.1r8
  • Juniper NetScreen ScreenOS 2.1
  • Juniper NetScreen ScreenOS 2.10r3
  • Juniper NetScreen ScreenOS 2.10r4
  • Juniper NetScreen ScreenOS 2.1r6
  • Juniper NetScreen ScreenOS 2.1r7
  • Juniper NetScreen ScreenOS 2.5
  • Juniper NetScreen ScreenOS 2.5r1
  • Juniper NetScreen ScreenOS 2.5r2
  • Juniper NetScreen ScreenOS 2.5r6
  • Juniper NetScreen ScreenOS 2.6.0
  • Juniper NetScreen ScreenOS 2.6.1
  • Juniper NetScreen ScreenOS 2.6.1r1
  • Juniper NetScreen ScreenOS 2.6.1r10
  • Juniper NetScreen ScreenOS 2.6.1r11
  • Juniper NetScreen ScreenOS 2.6.1r12
  • Juniper NetScreen ScreenOS 2.6.1r2
  • Juniper NetScreen ScreenOS 2.6.1r3
  • Juniper NetScreen ScreenOS 2.6.1r4
  • Juniper NetScreen ScreenOS 2.6.1r5
  • Juniper NetScreen ScreenOS 2.6.1r6
  • Juniper NetScreen ScreenOS 2.6.1r7
  • Juniper NetScreen ScreenOS 2.6.1r8
  • Juniper NetScreen ScreenOS 2.6.1r9
  • Juniper NetScreen ScreenOS 2.7.1
  • Juniper NetScreen ScreenOS 2.7.1r1
  • Juniper NetScreen ScreenOS 2.7.1r2
  • Juniper NetScreen ScreenOS 2.7.1r3
  • Juniper NetScreen ScreenOS 2.8.0
  • Juniper NetScreen ScreenOS 2.8.0r1
  • Juniper NetScreen ScreenOS 3.0.0
  • Juniper NetScreen ScreenOS 3.0.0r1
  • Juniper NetScreen ScreenOS 3.0.0r2
  • Juniper NetScreen ScreenOS 3.0.0r3
  • Juniper NetScreen ScreenOS 3.0.0r4
  • Juniper NetScreen ScreenOS 3.0.1
  • Juniper NetScreen ScreenOS 3.0.1r1
  • Juniper NetScreen ScreenOS 3.0.1r2
  • Juniper NetScreen ScreenOS 3.0.1r3
  • Juniper NetScreen ScreenOS 3.0.1r4
  • Juniper NetScreen ScreenOS 3.0.1r5
  • Juniper NetScreen ScreenOS 3.0.1r6
  • Juniper NetScreen ScreenOS 3.0.1r7
  • Juniper NetScreen ScreenOS 3.0.2
  • Juniper NetScreen ScreenOS 3.0.3
  • Juniper NetScreen ScreenOS 3.0.3r1
  • Juniper NetScreen ScreenOS 3.0.3r1.1
  • Juniper NetScreen ScreenOS 3.0.3r2
  • Juniper NetScreen ScreenOS 3.0.3r3
  • Juniper NetScreen ScreenOS 3.0.3r4
  • Juniper NetScreen ScreenOS 3.0.3r5
  • Juniper NetScreen ScreenOS 3.0.3r6
  • Juniper NetScreen ScreenOS 3.0.3r7
  • Juniper NetScreen ScreenOS 3.0.3r8
  • Juniper NetScreen ScreenOS 3.1
  • Juniper NetScreen ScreenOS 3.1.0r1
  • Juniper NetScreen ScreenOS 3.1.0r10
  • Juniper NetScreen ScreenOS 3.1.0r11
  • Juniper NetScreen ScreenOS 3.1.0r12
  • Juniper NetScreen ScreenOS 3.1.0r2
  • Juniper NetScreen ScreenOS 3.1.0r3
  • Juniper NetScreen ScreenOS 3.1.0r4
  • Juniper NetScreen ScreenOS 3.1.0r5
  • Juniper NetScreen ScreenOS 3.1.0r6
  • Juniper NetScreen ScreenOS 3.1.0r7
  • Juniper NetScreen ScreenOS 3.1.0r8
  • Juniper NetScreen ScreenOS 3.1.0r9
  • Juniper NetScreen ScreenOS 3.1.1r2
  • Juniper NetScreen ScreenOS 4.0.0
  • Juniper NetScreen ScreenOS 4.0.0 Dial
  • Juniper NetScreen ScreenOS 4.0.0r1
  • Juniper NetScreen ScreenOS 4.0.0r10
  • Juniper NetScreen ScreenOS 4.0.0r11
  • Juniper NetScreen ScreenOS 4.0.0r12
  • Juniper NetScreen ScreenOS 4.0.0r2
  • Juniper NetScreen ScreenOS 4.0.0r3
  • Juniper NetScreen ScreenOS 4.0.0r4
  • Juniper NetScreen ScreenOS 4.0.0r5
  • Juniper NetScreen ScreenOS 4.0.0r6
  • Juniper NetScreen ScreenOS 4.0.0r7
  • Juniper NetScreen ScreenOS 4.0.0r8
  • Juniper NetScreen ScreenOS 4.0.0r9
  • Juniper NetScreen ScreenOS 4.0.1
  • Juniper NetScreen ScreenOS 4.0.1r1
  • Juniper NetScreen ScreenOS 4.0.1r10
  • Juniper NetScreen ScreenOS 4.0.1r2
  • Juniper NetScreen ScreenOS 4.0.1r3
  • Juniper NetScreen ScreenOS 4.0.1r4
  • Juniper NetScreen ScreenOS 4.0.1r5
  • Juniper NetScreen ScreenOS 4.0.1r6
  • Juniper NetScreen ScreenOS 4.0.1r7
  • Juniper NetScreen ScreenOS 4.0.1r8
  • Juniper NetScreen ScreenOS 4.0.1r9
  • Juniper NetScreen ScreenOS 4.0.2
  • Juniper NetScreen ScreenOS 4.0.3
  • Juniper NetScreen ScreenOS 4.0.3r1
  • Juniper NetScreen ScreenOS 4.0.3r2
  • Juniper NetScreen ScreenOS 4.0.3r3
  • Juniper NetScreen ScreenOS 4.0.3r4
  • Juniper NetScreen ScreenOS 5.0

Reported:

Aug 03, 2004

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