CentOS ProjectCESA-2020:2414unbound security update
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.017 Low
EPSS
Percentile
87.7%
CentOS Errata and Security Advisory CESA-2020:2414
The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
Security Fix(es):
-
unbound: amplification of an incoming query into a large number of queries directed to a target (CVE-2020-12662)
-
unbound: infinite loop via malformed DNS answers received from upstream servers (CVE-2020-12663)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2020-June/085874.html
https://lists.centos.org/pipermail/centos-announce/2020-June/098628.html
Affected packages:
unbound
unbound-devel
unbound-libs
unbound-python
Upstream details at:
https://access.redhat.com/errata/RHSA-2020:2414
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| CentOS | 7 | x86_64 | unbound | < 1.6.6-4.el7_8 | unbound-1.6.6-4.el7_8.x86_64.rpm |
| CentOS | 7 | i686 | unbound-devel | < 1.6.6-4.el7_8 | unbound-devel-1.6.6-4.el7_8.i686.rpm |
| CentOS | 7 | x86_64 | unbound-devel | < 1.6.6-4.el7_8 | unbound-devel-1.6.6-4.el7_8.x86_64.rpm |
| CentOS | 7 | i686 | unbound-libs | < 1.6.6-4.el7_8 | unbound-libs-1.6.6-4.el7_8.i686.rpm |
| CentOS | 7 | x86_64 | unbound-libs | < 1.6.6-4.el7_8 | unbound-libs-1.6.6-4.el7_8.x86_64.rpm |
| CentOS | 7 | x86_64 | unbound-python | < 1.6.6-4.el7_8 | unbound-python-1.6.6-4.el7_8.x86_64.rpm |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.017 Low
EPSS
Percentile
87.7%