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centosCentOS ProjectCESA-2022:8640
HistoryNov 30, 2022 - 11:03 p.m.

krb5, libkadm5 security update

2022-11-3023:03:16
CentOS Project
lists.centos.org
101
kerberos network authentication
security advisory
integer overflow

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

76.3%

JSON

CentOS Errata and Security Advisory CESA-2022:8640

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: integer overflow vulnerabilities in PAC parsing (CVE-2022-42898)

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/2022-November/086352.html

Affected packages:
krb5-devel
krb5-libs
krb5-pkinit
krb5-server
krb5-server-ldap
krb5-workstation
libkadm5

Upstream details at:
https://access.redhat.com/errata/RHSA-2022:8640

OSVersionArchitecturePackageVersionFilename
CentOS7i686krb5-devel< 1.15.1-55.el7_9krb5-devel-1.15.1-55.el7_9.i686.rpm
CentOS7x86_64krb5-devel< 1.15.1-55.el7_9krb5-devel-1.15.1-55.el7_9.x86_64.rpm
CentOS7i686krb5-libs< 1.15.1-55.el7_9krb5-libs-1.15.1-55.el7_9.i686.rpm
CentOS7x86_64krb5-libs< 1.15.1-55.el7_9krb5-libs-1.15.1-55.el7_9.x86_64.rpm
CentOS7x86_64krb5-pkinit< 1.15.1-55.el7_9krb5-pkinit-1.15.1-55.el7_9.x86_64.rpm
CentOS7x86_64krb5-server< 1.15.1-55.el7_9krb5-server-1.15.1-55.el7_9.x86_64.rpm
CentOS7x86_64krb5-server-ldap< 1.15.1-55.el7_9krb5-server-ldap-1.15.1-55.el7_9.x86_64.rpm
CentOS7x86_64krb5-workstation< 1.15.1-55.el7_9krb5-workstation-1.15.1-55.el7_9.x86_64.rpm
CentOS7i686libkadm5< 1.15.1-55.el7_9libkadm5-1.15.1-55.el7_9.i686.rpm
CentOS7x86_64libkadm5< 1.15.1-55.el7_9libkadm5-1.15.1-55.el7_9.x86_64.rpm

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8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

76.3%

JSON
Related for CESA-2022:8640
nessus75cbl_mariner4openvas52osv9oraclelinux4prion1fedora6cve1rocky2ibm4f51almalinux2altlinux2amazon3cisa1debiancve1redhat11veracode1ubuntucve1cloudlinux1debian2mageia1nvd1redhatcve1alpinelinux1samba1slackware2cvelist1freebsd1ubuntu2cloudfoundry2photon1rosalinux1