Vulnerability Details : CVE-2009-4501
The zbx_get_next_field function in libs/zbxcommon/str.c in Zabbix Server before 1.6.8 allows remote attackers to cause a denial of service (crash) via a request that lacks expected separators, which triggers a NULL pointer dereference, as demonstrated using the Command keyword.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2009-4501
- cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
- cpe:2.3:a:zabbix:zabbix:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:zabbix:zabbix:1.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:zabbix:zabbix:1.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:zabbix:zabbix:1.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:zabbix:zabbix:1.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:zabbix:zabbix:1.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:zabbix:zabbix:1.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:zabbix:zabbix:1.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:zabbix:zabbix:1.4.6:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2009-4501
0.78%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2009-4501
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2009-4501
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2009-4501
-
https://support.zabbix.com/browse/ZBX-1355
[ZBX-1355] Possible server crash if data received in incorrect format - ZABBIX SUPPORT
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http://www.vupen.com/english/advisories/2009/3514
Site en constructionVendor Advisory
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http://www.securityfocus.com/archive/1/508436/30/60/threaded
Patch
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