OpenSSH username data manipulation
| openssh-username-data-manipulation (37371) |  Low Risk |
Description:
OpenSSH could allow a remote attacker to manipulate data, caused by an unspecified error in the linux_audit_record_event() function. By sending a specially-crafted username, a remote attacker could exploit this vulnerability to insert arbitrary data into the audit log.
*CVSS:
| Base Score: | 4.3 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 3.2 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
File Manipulation
Remedy:
Refer to Fedora Update Notification FEDORA-2007-715 for patch, upgrade, or suggested workaround information. See References.
References:
- FEDORA-2007-715: [SECURITY] Fedora Core 6 Update: openssh-4.3p2-25.fc6.
- ASA-2007-526: PAM security bug fix and enhancement update (RHSA-2007-0737)
- ASA-2007-527: OpenSSH security and bug fix update (RHSA-2007-0703)
- BID-26097: OpenSSH LINUX_AUDIT_RECORD_EVENT Remote Log Injection Weakness
- CVE-2007-3102: Unspecified vulnerability in the linux_audit_record_event function in OpenSSH 4.3p2, as used on Fedora Core 6 and possibly other systems, allows remote attackers to write arbitrary characters to an audit log via a crafted username. NOTE: some of these details are obtained from third party information.
- RHSA-2007-0540: Moderate: openssh security and bug fix update
- RHSA-2007-0555: Moderate: pam security
- RHSA-2007-0703: Moderate: openssh security and bug fix update
- RHSA-2007-0737: Moderate: pam security
- SA28319: Avaya Products pam Vulnerability and Security Issue
- SA28320: Avaya Products openssh Multiple Vulnerabilities
Platforms Affected:
- FedoraProject Fedora Core 6
- OpenBSD OpenSSH 4.3p2
- RedHat Enterprise Linux 4 AS
- RedHat Enterprise Linux 4 Desktop
- RedHat Enterprise Linux 4 WS
- RedHat Enterprise Linux 4 ES
- RedHat Enterprise Linux 5 Client Workstation
- RedHat Enterprise Linux 5
- RedHat Enterprise Linux 5 Client
Reported:
Oct 15, 2007
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For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.