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CVE-2011-3263

UnknownEPSS 1.29%

Last modified

CVE-2011-3263 is a vulnerability of currently unknown severity. zabbix_agentd in Zabbix before 1.8.6 and 1.9.x before 1.9.4 allows context-dependent attackers to cause a denial of service (CPU consumption) by executing the vfs.file.cksum command for a special device, as demonstrated by the /dev/urandom device.. EPSS estimates a 1.29% chance of exploitation in the next 30 days.

Description

zabbix_agentd in Zabbix before 1.8.6 and 1.9.x before 1.9.4 allows context-dependent attackers to cause a denial of service (CPU consumption) by executing the vfs.file.cksum command for a special device, as demonstrated by the /dev/urandom device.

Metrics

EPSS Probability
1.29%

66.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
ZabbixZabbix<= 1.8.5—
ZabbixZabbix1.1—
ZabbixZabbix1.1.1—
ZabbixZabbix1.1.2—
ZabbixZabbix1.1.3—
ZabbixZabbix1.1.4—
ZabbixZabbix1.1.5—
ZabbixZabbix1.1.6—
ZabbixZabbix1.1.7—
ZabbixZabbix1.3Beta
ZabbixZabbix1.3.1Beta
ZabbixZabbix1.3.2Beta
ZabbixZabbix1.3.3Beta
ZabbixZabbix1.3.4Beta
ZabbixZabbix1.3.5Beta
ZabbixZabbix1.3.6Beta
ZabbixZabbix1.3.7Beta
ZabbixZabbix1.3.8Beta
ZabbixZabbix1.4.2—
ZabbixZabbix1.4.3—
ZabbixZabbix1.4.4—
ZabbixZabbix1.4.5—
ZabbixZabbix1.4.6—
ZabbixZabbix1.5Beta
ZabbixZabbix1.5.1Beta
ZabbixZabbix1.5.2Beta
ZabbixZabbix1.5.3Beta
ZabbixZabbix1.5.4Beta
ZabbixZabbix1.6—
ZabbixZabbix1.6.1—
ZabbixZabbix1.6.2—
ZabbixZabbix1.6.3—
ZabbixZabbix1.6.4—
ZabbixZabbix1.6.5—
ZabbixZabbix1.6.6—
ZabbixZabbix1.6.7—
ZabbixZabbix1.6.8—
ZabbixZabbix1.6.9—
ZabbixZabbix1.7—
ZabbixZabbix1.7.1—
ZabbixZabbix1.7.2—
ZabbixZabbix1.7.3—
ZabbixZabbix1.7.4—
ZabbixZabbix1.8—
ZabbixZabbix1.8.1—
ZabbixZabbix1.8.2—
ZabbixZabbix1.8.3—
ZabbixZabbix1.8.4—
ZabbixZabbix1.8.5Rc1
ZabbixZabbix1.9.0Alpha

Showing 50 of 53 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-3263?
zabbix_agentd in Zabbix before 1.8.6 and 1.9.x before 1.9.4 allows context-dependent attackers to cause a denial of service (CPU consumption) by executing the vfs.file.cksum command for a special device, as demonstrated by the /dev/urandom device.
How severe is CVE-2011-3263?
Severity scoring for CVE-2011-3263 is pending analysis. The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3263?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-3263?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST