CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
Percentile
89.3%
Issue Overview:
It was discovered that dnsmasq, when used in combination with certain libvirtd configurations, could incorrectly process network packets from network interfaces that were intended to be prohibited. A remote, unauthenticated attacker could exploit this flaw to cause a denial of service via DNS amplification attacks. (CVE-2012-3411)
Affected Packages:
dnsmasq
Issue Correction:
Run yum update dnsmasq to update your system.
New Packages:
i686:
dnsmasq-2.48-13.9.amzn1.i686
dnsmasq-debuginfo-2.48-13.9.amzn1.i686
dnsmasq-utils-2.48-13.9.amzn1.i686
src:
dnsmasq-2.48-13.9.amzn1.src
x86_64:
dnsmasq-2.48-13.9.amzn1.x86_64
dnsmasq-utils-2.48-13.9.amzn1.x86_64
dnsmasq-debuginfo-2.48-13.9.amzn1.x86_64
Red Hat: CVE-2012-3411
Mitre: CVE-2012-3411
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 1 | i686 | dnsmasq | < 2.48-13.9.amzn1 | dnsmasq-2.48-13.9.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | dnsmasq-debuginfo | < 2.48-13.9.amzn1 | dnsmasq-debuginfo-2.48-13.9.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | dnsmasq-utils | < 2.48-13.9.amzn1 | dnsmasq-utils-2.48-13.9.amzn1.i686.rpm |
Amazon Linux | 1 | x86_64 | dnsmasq | < 2.48-13.9.amzn1 | dnsmasq-2.48-13.9.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | dnsmasq-utils | < 2.48-13.9.amzn1 | dnsmasq-utils-2.48-13.9.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | dnsmasq-debuginfo | < 2.48-13.9.amzn1 | dnsmasq-debuginfo-2.48-13.9.amzn1.x86_64.rpm |