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ubuntuUbuntuUSN-4906-1
HistoryApr 13, 2021 - 12:00 a.m.

Nettle vulnerability

2021-04-1300:00:00
ubuntu.com
100

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

8.6 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.01 Low

EPSS

Percentile

83.1%

JSON

Releases

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

Packages

  • nettle - low level cryptographic library

Details

It was discovered that Nettle incorrectly handled signature verification.
A remote attacker could use this issue to cause Nettle to crash, resulting
in a denial of service, or possibly force invalid signatures.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchlibnettle8< 3.6-2ubuntu0.1UNKNOWN
Ubuntu20.10noarchlibhogweed6< 3.6-2ubuntu0.1UNKNOWN
Ubuntu20.10noarchlibhogweed6-dbgsym< 3.6-2ubuntu0.1UNKNOWN
Ubuntu20.10noarchlibnettle8-dbgsym< 3.6-2ubuntu0.1UNKNOWN
Ubuntu20.10noarchnettle-bin< 3.6-2ubuntu0.1UNKNOWN
Ubuntu20.10noarchnettle-bin-dbgsym< 3.6-2ubuntu0.1UNKNOWN
Ubuntu20.10noarchnettle-dev< 3.6-2ubuntu0.1UNKNOWN
Ubuntu20.04noarchlibnettle7< 3.5.1+really3.5.1-2ubuntu0.1UNKNOWN
Ubuntu20.04noarchlibhogweed5< 3.5.1+really3.5.1-2ubuntu0.1UNKNOWN
Ubuntu20.04noarchlibhogweed5-dbgsym< 3.5.1+really3.5.1-2ubuntu0.1UNKNOWN
Rows per page:
1-10 of 301

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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

8.6 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.01 Low

EPSS

Percentile

83.1%

JSON
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