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ubuntucveUbuntu.comUB:CVE-2011-4600
HistoryDec 31, 2011 - 12:00 a.m.

CVE-2011-4600

2011-12-3100:00:00
ubuntu.com
ubuntu.com
10

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.003 Low

EPSS

Percentile

70.5%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchlibvirt< 0.9.8-2ubuntu17.23UNKNOWN

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.003 Low

EPSS

Percentile

70.5%