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ubuntuUbuntuUSN-4635-1
HistoryNov 17, 2020 - 12:00 a.m.

Kerberos vulnerability

2020-11-1700:00:00
ubuntu.com
57

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

7.8 High

AI Score

Confidence

High

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

0.005 Low

EPSS

Percentile

76.5%

JSON

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • krb5 - MIT Kerberos Network Authentication Protocol

Details

Demi Obenour discovered that Kerberos incorrectly handled certain ASN.1.
An attacker could possibly use this issue to cause a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchkrb5-admin-server< 1.17-10ubuntu0.1UNKNOWN
Ubuntu20.10noarchkrb5-admin-server-dbgsym< 1.17-10ubuntu0.1UNKNOWN
Ubuntu20.10noarchkrb5-doc< 1.17-10ubuntu0.1UNKNOWN
Ubuntu20.10noarchkrb5-gss-samples< 1.17-10ubuntu0.1UNKNOWN
Ubuntu20.10noarchkrb5-gss-samples-dbgsym< 1.17-10ubuntu0.1UNKNOWN
Ubuntu20.10noarchkrb5-k5tls< 1.17-10ubuntu0.1UNKNOWN
Ubuntu20.10noarchkrb5-k5tls-dbgsym< 1.17-10ubuntu0.1UNKNOWN
Ubuntu20.10noarchkrb5-kdc< 1.17-10ubuntu0.1UNKNOWN
Ubuntu20.10noarchkrb5-kdc-dbgsym< 1.17-10ubuntu0.1UNKNOWN
Ubuntu20.10noarchkrb5-kdc-ldap< 1.17-10ubuntu0.1UNKNOWN
Rows per page:
1-10 of 1971

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Moderate: krb5 security update
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krb5 security update
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krb5 security update
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Debian DLA-2437-1 : krb5 security update
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EulerOS Virtualization 3.0.2.2 : krb5 (EulerOS-SA-2021-2141)
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2020-11-30 00:00:00
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CVE-2020-28196
2020-11-06 08:15:00
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Debian: Security Advisory (DLA-2437-1)
2020-11-08 00:00:00
Huawei EulerOS: Security Advisory for krb5 (EulerOS-SA-2021-1312)
2021-02-22 00:00:00
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2021-03-24 00:00:00
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MIT Kerberos 5: Denial of service
2020-11-16 00:00:00
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[SECURITY] [DSA 4795-1] krb5 security update
2020-11-21 18:19:03
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2020-11-07 12:38:26
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2021-11-03 19:21:15
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[SECURITY] Fedora 32 Update: krb5-1.18.2-29.fc32
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2020-11-21 01:52:13
[SECURITY] Fedora 33 Update: krb5-1.18.2-29.fc33
2020-11-09 01:13:38
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Security update for krb5 (moderate)
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Code injection
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osv
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CVE-2020-28196
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krb5 security update
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CVE-2020-28196
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USN-4635-1: Kerberos vulnerability | Cloud Foundry
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Security Bulletin: Vulnerability in MIT Kerberos 5 (CVE-2020-28196) affects HMC
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Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2022-3.0-0342
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oracle
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ics
ics
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
2023-12-14 12:00:00

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

7.8 High

AI Score

Confidence

High

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

0.005 Low

EPSS

Percentile

76.5%

JSON
Related for USN-4635-1
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