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osvGoogleOSV:ALSA-2023:4643
HistoryAug 14, 2023 - 12:00 a.m.

Important: .NET 7.0 security, bug fix, and enhancement update

2023-08-1400:00:00
Google
osv.dev
4
.net framework
security
bug fix
enhancement
api
clr
vulnerability
rce
kestrel
denial of service
cve
cvss score
references

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.1

Confidence

High

EPSS

0.021

Percentile

89.5%

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 7.0.110 and .NET Runtime 7.0.10.

Security Fix(es):

  • dotnet: RCE under dotnet commands (CVE-2023-35390)
  • dotnet: Kestrel vulnerability to slow read attacks leading to Denial of Service attack (CVE-2023-38180)

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.

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.1

Confidence

High

EPSS

0.021

Percentile

89.5%