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redhatRedHatRHSA-2024:0252
HistoryJan 15, 2024 - 3:25 p.m.

(RHSA-2024:0252) Moderate: krb5 security update

2024-01-1515:25:49
access.redhat.com
27
kerberos network authentication
security improvement
kdc
delegation constrain bypass
csrf protection
cvss score
cve-2020-17049
cve-2023-5455
unix

CVSS2

9

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS3

6.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.6

Confidence

Low

EPSS

0.024

Percentile

90.1%

JSON

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):

  • Kerberos: delegation constrain bypass in S4U2Proxy (CVE-2020-17049)

  • ipa: Invalid CSRF protection (CVE-2023-5455)

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.

OSVersionArchitecturePackageVersionFilename
RedHat8aarch64libkadm5< 1.18.2-16.el8_6libkadm5-1.18.2-16.el8_6.aarch64.rpm
RedHat8x86_64krb5-libs-debuginfo< 1.18.2-16.el8_6krb5-libs-debuginfo-1.18.2-16.el8_6.x86_64.rpm
RedHat8i686krb5-devel-debuginfo< 1.18.2-16.el8_6krb5-devel-debuginfo-1.18.2-16.el8_6.i686.rpm
RedHat8ppc64lekrb5-server-debuginfo< 1.18.2-16.el8_6krb5-server-debuginfo-1.18.2-16.el8_6.ppc64le.rpm
RedHat8ppc64lekrb5-server< 1.18.2-16.el8_6krb5-server-1.18.2-16.el8_6.ppc64le.rpm
RedHat8ppc64lekrb5-libs-debuginfo< 1.18.2-16.el8_6krb5-libs-debuginfo-1.18.2-16.el8_6.ppc64le.rpm
RedHat8aarch64krb5-pkinit< 1.18.2-16.el8_6krb5-pkinit-1.18.2-16.el8_6.aarch64.rpm
RedHat8s390xkrb5-server-ldap< 1.18.2-16.el8_6krb5-server-ldap-1.18.2-16.el8_6.s390x.rpm
RedHat8i686krb5-devel< 1.18.2-16.el8_6krb5-devel-1.18.2-16.el8_6.i686.rpm
RedHat8s390xkrb5-server-ldap-debuginfo< 1.18.2-16.el8_6krb5-server-ldap-debuginfo-1.18.2-16.el8_6.s390x.rpm
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CVSS2

9

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS3

6.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.6

Confidence

Low

EPSS

0.024

Percentile

90.1%

JSON
Related for RHSA-2024:0252
nessus37redhat16rocky1osv7almalinux3oraclelinux4mskb41prion2cvelist2cbl_mariner1openvas20nvd2attackerkb1cve2msrc1mscve1redhatcve2altlinux1amazon2redos1debiancve1fedora2ubuntucve1centos1suse1rosalinux1gentoo1kaspersky2avleonov1