Unix OpenSSH sshd Identical Blocks DoS
Severity: HIGH
CVE Identifier: CVE-2006-4924
Advisory Date: JUN 14, 2016
DESCRIPTION
sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.
TREND MICRO PROTECTION INFORMATION
- 1000798 - Unix OpenSSH sshd Identical Blocks DoS
SOLUTION
Trend Micro Deep Security DPI Rule Number: 1000798
Trend Micro Deep Security DPI Rule Name: 1000798 - Unix OpenSSH sshd Identical Blocks DoS
AFFECTED SOFTWARE AND VERSION
- OpenBSD OpenSSH 1.2
- OpenBSD OpenSSH 1.2.1
- OpenBSD OpenSSH 1.2.2
- OpenBSD OpenSSH 1.2.27
- OpenBSD OpenSSH 1.2.3
- OpenBSD OpenSSH 2.1
- OpenBSD OpenSSH 2.1.1
- OpenBSD OpenSSH 2.2
- OpenBSD OpenSSH 2.2.x
- OpenBSD OpenSSH 2.3
- OpenBSD OpenSSH 2.5
- OpenBSD OpenSSH 2.5.1
- OpenBSD OpenSSH 2.5.2
- OpenBSD OpenSSH 2.9
- OpenBSD OpenSSH 2.9.9
- OpenBSD OpenSSH 2.9.9p2
- OpenBSD OpenSSH 2.9p1
- OpenBSD OpenSSH 2.9p2
- OpenBSD OpenSSH 3.0
- OpenBSD OpenSSH 3.0 p1
- OpenBSD OpenSSH 3.0.1
- OpenBSD OpenSSH 3.0.1 p1
- OpenBSD OpenSSH 3.0.1p1
- OpenBSD OpenSSH 3.0.2
- OpenBSD OpenSSH 3.0.2 p1
- OpenBSD OpenSSH 3.0.2p1
- OpenBSD OpenSSH 3.0p1
- OpenBSD OpenSSH 3.1
- OpenBSD OpenSSH 3.1 p1
- OpenBSD OpenSSH 3.1p1
- OpenBSD OpenSSH 3.2
- OpenBSD OpenSSH 3.2.2
- OpenBSD OpenSSH 3.2.2 p1
- OpenBSD OpenSSH 3.2.2p1
- OpenBSD OpenSSH 3.2.3 p1
- OpenBSD OpenSSH 3.2.3p1
- OpenBSD OpenSSH 3.3
- OpenBSD OpenSSH 3.3 p1
- OpenBSD OpenSSH 3.3p1
- OpenBSD OpenSSH 3.4
- OpenBSD OpenSSH 3.4 p1
- OpenBSD OpenSSH 3.4p1
- OpenBSD OpenSSH 3.5
- OpenBSD OpenSSH 3.5 p1
- OpenBSD OpenSSH 3.6
- OpenBSD OpenSSH 3.6.1
- OpenBSD OpenSSH 3.6.1 p1
- OpenBSD OpenSSH 3.6.1 p2
- OpenBSD OpenSSH 3.6.1p1
- OpenBSD OpenSSH 3.6.1p2
- OpenBSD OpenSSH 3.7
- OpenBSD OpenSSH 3.7.1
- OpenBSD OpenSSH 3.7.1 p2
- OpenBSD OpenSSH 3.7.1p1
- OpenBSD OpenSSH 3.7.1p2
- OpenBSD OpenSSH 3.8
- OpenBSD OpenSSH 3.8.1
- OpenBSD OpenSSH 3.8.1 p1
- OpenBSD OpenSSH 3.9
- OpenBSD OpenSSH 3.9.1
- OpenBSD OpenSSH 3.9.1 p1
- OpenBSD OpenSSH 4.0
- OpenBSD OpenSSH 4.0 p1
- OpenBSD OpenSSH 4.1 p1
- OpenBSD OpenSSH 4.2
- OpenBSD OpenSSH 4.2 p1
- OpenBSD OpenSSH 4.2p1
- OpenBSD OpenSSH 4.3
- OpenBSD OpenSSH 4.3p1
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