Strix
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CVE-2011-4600

UnknownEPSS 1.78%

Last modified

CVE-2011-4600 is a vulnerability of currently unknown severity. The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query.. EPSS estimates a 1.78% chance of exploitation in the next 30 days.

Description

The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query.

Metrics

EPSS Probability
1.78%

75.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux15.04
CanonicalUbuntu Linux15.10
RedhatLibvirt0.9.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-4600?
The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query.
How severe is CVE-2011-4600?
Severity scoring for CVE-2011-4600 is pending analysis. The EPSS model estimates a 1.78% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4600?
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-2011-4600?

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

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Source: NVD / NIST