Wireshark (Ethereal) SSH dissector denial of service
| wireshark-ssh-dos (27829) |  Medium Risk |
Description:
Wireshark (formerly known as Ethereal) is vulnerable to a denial of service attack, caused by in infinite loop in the SSH dissector. A remote attacker could exploit this vulnerability using a malformed packet or trace file to cause the application to enter into an infinite loop and crash.
*CVSS:
| Base Score: | 3.5 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 2.6 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of Wireshark (0.99.2 or later), as listed in Wireshark Security Advisory wnpa-sec-2006-01. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-07-09 for patch, upgrade, or suggested workaround information. See References.
For Debian GNU/Linux:
Refer to DSA-1127-1 for patch, upgrade, or suggested workaround information. See References.
For Red Hat Linux:
Refer to RHSA-2006:0602-4 for patch, upgrade, or suggested workaround information. See References.
References:
- Wireshark Security Advisory wnpa-sec-2006-01: Multiple problems in Ethereal® versions 0.8.14 to 0.10.10.
- ASA-2006-197: wireshark security update (was ethereal) (RHSA-2006-0602)
- BID-19051: Wireshark Protocol Dissectors Multiple Vulnerabilities
- CVE-2006-3631: Unspecified vulnerability in the SSH dissector in Wireshark (aka Ethereal) 0.9.10 to 0.99.0 allows remote attackers to cause a denial of service (infinite loop) via unknown attack vectors.
- DSA-1127: ethereal -- several vulnerabilities
- GLSA-200607-09: Wireshark: Multiple vulnerabilities
- MDKSA-2006:128: Updated wireshark packages fix numerous vulnerabilities
- OSVDB ID: 27370: Wireshark SSH Dissector Infinite Loop DoS
- RHSA-2006-0602: wireshark security update (was ethereal)
- SA21078: Wireshark Multiple Protocol Dissector Vulnerabilities
- SA22089: Avaya Products wireshark Vulnerabilities
- SECTRACK ID: 1016532: Wireshark (Ethereal) Format String Flaws, Off-by-one Errors, and Buffer Overflow May Let Remote Users Execute Arbitrary Code
- SUSE-SR:2006:020: SUSE Security Summary Report
- VUPEN/ADV-2006-2850: Wireshark (Ethereal) Protocol Dissectors Code Execution and Denial of Service Vulnerabilities
Platforms Affected:
- Debian Debian Linux 3.1
- Ethereal Ethereal 0.9.10 - 0.99.0
- Gentoo Linux
- MandrakeSoft Mandrake Linux 2006 X86_64
- MandrakeSoft Mandrake Linux 2006
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 2.1 WS
- RedHat Enterprise Linux 2.1 ES
- RedHat Enterprise Linux 3 AS
- RedHat Enterprise Linux 3 Desktop
- RedHat Enterprise Linux 3 ES
- RedHat Enterprise Linux 3 WS
- RedHat Enterprise Linux 4 Desktop
- RedHat Enterprise Linux 4 ES
- RedHat Enterprise Linux 4 AS
- RedHat Enterprise Linux 4 WS
- RedHat Linux Advanced Workstation 2.1 Itanium
Reported:
Jul 17, 2006
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.