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ubuntuUbuntuUSN-4491-1
HistorySep 09, 2020 - 12:00 a.m.

GnuTLS vulnerability

2020-09-0900:00:00
ubuntu.com
32

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

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

0.004 Low

EPSS

Percentile

72.9%

JSON

Releases

  • Ubuntu 20.04 LTS

Packages

  • gnutls28 - GNU TLS library

Details

It was discovered that GnuTLS incorrectly handled certain alerts when being
used with TLS 1.3 servers. A remote attacker could use this issue to cause
GnuTLS to crash, resulting in a denial of service, or possibly execute
arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchlibgnutls30< 3.6.13-2ubuntu1.3UNKNOWN
Ubuntu20.04noarchgnutls-bin< 3.6.13-2ubuntu1.3UNKNOWN
Ubuntu20.04noarchgnutls-bin-dbgsym< 3.6.13-2ubuntu1.3UNKNOWN
Ubuntu20.04noarchgnutls-doc< 3.6.13-2ubuntu1.3UNKNOWN
Ubuntu20.04noarchguile-gnutls< 3.6.13-2ubuntu1.3UNKNOWN
Ubuntu20.04noarchguile-gnutls-dbgsym< 3.6.13-2ubuntu1.3UNKNOWN
Ubuntu20.04noarchlibgnutls-dane0< 3.6.13-2ubuntu1.3UNKNOWN
Ubuntu20.04noarchlibgnutls-dane0-dbgsym< 3.6.13-2ubuntu1.3UNKNOWN
Ubuntu20.04noarchlibgnutls-openssl27< 3.6.13-2ubuntu1.3UNKNOWN
Ubuntu20.04noarchlibgnutls-openssl27-dbgsym< 3.6.13-2ubuntu1.3UNKNOWN
Rows per page:
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2020-09-25 17:15:19
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2020-09-13 14:28:26
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2020-09-15 00:00:00
freebsd
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redhat
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(RHSA-2020:5483) Moderate: gnutls security and bug fix update
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Denial Of Service (DoS)
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ics
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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

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

0.004 Low

EPSS

Percentile

72.9%

JSON
Related for USN-4491-1
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