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ubuntuUbuntuUSN-6217-1
HistoryJul 11, 2023 - 12:00 a.m.

.NET vulnerability

2023-07-1100:00:00
ubuntu.com
38
.net
ubuntu
security
vulnerability
account lockout

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.7%

Releases

  • Ubuntu 23.04
  • Ubuntu 22.10
  • Ubuntu 22.04 LTS

Packages

  • dotnet6 - dotNET CLI tools and runtime
  • dotnet7 - dotNET CLI tools and runtime

Details

McKee-Harris, Matt Cotterell, and Jack Moran discovered that .NET did
not properly update account lockout maximum failed attempts. An
attacker could possibly use this issue to bypass the security feature
and attempt to guess more passwords for an account.

OSVersionArchitecturePackageVersionFilename
Ubuntu23.04noarchaspnetcore-runtime-6.0< 6.0.120-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchaspnetcore-targeting-pack-6.0< 6.0.120-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-apphost-pack-6.0< 6.0.120-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-apphost-pack-6.0-dbgsym< 6.0.120-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-host< 6.0.120-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-host-dbgsym< 6.0.120-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-hostfxr-6.0< 6.0.120-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-hostfxr-6.0-dbgsym< 6.0.120-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-runtime-6.0< 6.0.120-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-runtime-6.0-dbgsym< 6.0.120-0ubuntu1~23.04.1UNKNOWN
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8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.7%