syslog-ng timestamp denial of service
| syslogng-timestamp-dos (39082) |  Low Risk |
Description:
syslog-ng is vulnerable to a denial of service, caused by a segmentation fault when processing incoming messages. By sending a message with a specially-crafted timestamp that does not end with a space character, a remote attacker could crash the application.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 3.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
For syslog-ng Open Source Edition:
Upgrade to the latest version of syslog-ng Open Source Edition (2.0.6 or later), available from the BalaBit Web site. See References.
For syslog-ng Premium Edition:
Upgrade to the latest version of syslog-ng Premium Edition (2.1.8 or later), available from the BalaBit Web site. See References.
References:
- BalaBit IT Security Web site: BalaBit IT Security.
- BugTraq Mailing List, Mon Dec 17 2007 - 04:38:05 CST: ZSA-2007-029: syslog-ng Denial of Service.
- BugTraq Mailing List, Mon Dec 17 2007 - 08:26:04 CST: Re: [syslog-ng] ZSA-2007-029: syslog-ng Denial of Service.
- BID-26897: BalaBit IT Security syslog-ng NULL-Pointer Dereference Denial of Service Vulnerability
- CVE-2007-6437: Balabit syslog-ng 2.0.x before 2.0.6 and 2.1.x before 2.1.8 allows remote attackers to cause a denial of service (crash) via a message with a timestamp that does not contain a trailing space, which triggers a NULL pointer dereference.
- DSA-1464: syslog-ng -- null pointer dereference
- GLSA-200712-19: Syslog-ng: Denial of Service
- SA28118: syslog-ng Timestamps Denial of Service Vulnerability
- SECTRACK ID: 1019105: Syslog-ng Timestamp NULL Pointer Dereference Bug Lets Remote Users Deny Service
- VUPEN/ADV-2007-4257: Syslog-ng Incoming Timestamps Handling Denial of Service Vulnerability
Platforms Affected:
- BalaBit syslog-ng Open Source Edition prior to 2.0.6
- BalaBit syslog-ng Premium Edition prior to 2.1.8
- Debian Debian Linux 4.0
- Gentoo Linux
Reported:
Dec 17, 2007
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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.