RedHatRHSA-2018:3071(RHSA-2018:3071) Low: krb5 security, bug fix, and enhancement update
4.7 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
58.6%
Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending passwords over the network in unencrypted form. It allows clients and servers to authenticate to each other with the help of a trusted third party, the Kerberos key distribution center (KDC).
Security Fix(es):
-
krb5: null dereference in kadmind or DN container check bypass by supplying special crafted data (CVE-2018-5729)
-
krb5: DN container check bypass by supplying special crafted data (CVE-2018-5730)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| RedHat | 7 | s390 | krb5-debuginfo | < 1.15.1-34.el7 | krb5-debuginfo-1.15.1-34.el7.s390.rpm |
| RedHat | 7 | ppc | krb5-devel | < 1.15.1-34.el7 | krb5-devel-1.15.1-34.el7.ppc.rpm |
| RedHat | 7 | x86_64 | krb5-devel | < 1.15.1-34.el7 | krb5-devel-1.15.1-34.el7.x86_64.rpm |
| RedHat | 7 | s390x | krb5-pkinit | < 1.15.1-34.el7 | krb5-pkinit-1.15.1-34.el7.s390x.rpm |
| RedHat | 7 | ppc | krb5-libs | < 1.15.1-34.el7 | krb5-libs-1.15.1-34.el7.ppc.rpm |
| RedHat | 7 | ppc | krb5-debuginfo | < 1.15.1-34.el7 | krb5-debuginfo-1.15.1-34.el7.ppc.rpm |
| RedHat | 7 | aarch64 | krb5-server | < 1.15.1-34.el7 | krb5-server-1.15.1-34.el7.aarch64.rpm |
| RedHat | 7 | aarch64 | krb5-workstation | < 1.15.1-34.el7 | krb5-workstation-1.15.1-34.el7.aarch64.rpm |
| RedHat | 7 | x86_64 | krb5-libs | < 1.15.1-34.el7 | krb5-libs-1.15.1-34.el7.x86_64.rpm |
| RedHat | 7 | s390 | libkadm5 | < 1.15.1-34.el7 | libkadm5-1.15.1-34.el7.s390.rpm |
Related
4.7 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
58.6%