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amazonAmazonALAS-2023-1667
HistoryJan 18, 2023 - 8:56 p.m.

Important: krb5

2023-01-1820:56:00
alas.aws.amazon.com
39

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

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

0.005 Low

EPSS

Percentile

75.9%

JSON

Issue Overview:

Integer overflow vulnerabilities in PAC parsing (CVE-2022-42898)

Affected Packages:

krb5

Issue Correction:
Run yum update krb5 to update your system.

New Packages:

i686:  
    krb5-server-ldap-1.15.1-46.49.amzn1.i686  
    krb5-server-1.15.1-46.49.amzn1.i686  
    krb5-pkinit-openssl-1.15.1-46.49.amzn1.i686  
    krb5-debuginfo-1.15.1-46.49.amzn1.i686  
    krb5-workstation-1.15.1-46.49.amzn1.i686  
    libkadm5-1.15.1-46.49.amzn1.i686  
    krb5-devel-1.15.1-46.49.amzn1.i686  
    krb5-libs-1.15.1-46.49.amzn1.i686  
  
src:  
    krb5-1.15.1-46.49.amzn1.src  
  
x86_64:  
    libkadm5-1.15.1-46.49.amzn1.x86_64  
    krb5-workstation-1.15.1-46.49.amzn1.x86_64  
    krb5-libs-1.15.1-46.49.amzn1.x86_64  
    krb5-devel-1.15.1-46.49.amzn1.x86_64  
    krb5-server-1.15.1-46.49.amzn1.x86_64  
    krb5-pkinit-openssl-1.15.1-46.49.amzn1.x86_64  
    krb5-debuginfo-1.15.1-46.49.amzn1.x86_64  
    krb5-server-ldap-1.15.1-46.49.amzn1.x86_64

Additional References

Red Hat: CVE-2022-42898

Mitre: CVE-2022-42898

OSVersionArchitecturePackageVersionFilename
Amazon Linux1i686krb5-server-ldap< 1.15.1-46.49.amzn1krb5-server-ldap-1.15.1-46.49.amzn1.i686.rpm
Amazon Linux1i686krb5-server< 1.15.1-46.49.amzn1krb5-server-1.15.1-46.49.amzn1.i686.rpm
Amazon Linux1i686krb5-pkinit-openssl< 1.15.1-46.49.amzn1krb5-pkinit-openssl-1.15.1-46.49.amzn1.i686.rpm
Amazon Linux1i686krb5-debuginfo< 1.15.1-46.49.amzn1krb5-debuginfo-1.15.1-46.49.amzn1.i686.rpm
Amazon Linux1i686krb5-workstation< 1.15.1-46.49.amzn1krb5-workstation-1.15.1-46.49.amzn1.i686.rpm
Amazon Linux1i686libkadm5< 1.15.1-46.49.amzn1libkadm5-1.15.1-46.49.amzn1.i686.rpm
Amazon Linux1i686krb5-devel< 1.15.1-46.49.amzn1krb5-devel-1.15.1-46.49.amzn1.i686.rpm
Amazon Linux1i686krb5-libs< 1.15.1-46.49.amzn1krb5-libs-1.15.1-46.49.amzn1.i686.rpm
Amazon Linux1x86_64libkadm5< 1.15.1-46.49.amzn1libkadm5-1.15.1-46.49.amzn1.x86_64.rpm
Amazon Linux1x86_64krb5-workstation< 1.15.1-46.49.amzn1krb5-workstation-1.15.1-46.49.amzn1.x86_64.rpm
Rows per page:
1-10 of 161

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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

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

0.005 Low

EPSS

Percentile

75.9%

JSON
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