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ubuntuUbuntuUSN-4990-1
HistoryJun 17, 2021 - 12:00 a.m.

Nettle vulnerabilities

2021-06-1700:00:00
ubuntu.com
128

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

8.3

Confidence

Low

EPSS

0.011

Percentile

84.2%

Releases

  • Ubuntu 21.04
  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • nettle - low level cryptographic library

Details

It was discovered that Nettle incorrectly handled RSA decryption. A remote
attacker could possibly use this issue to cause Nettle to crash, resulting
in a denial of service. (CVE-2021-3580)

It was discovered that Nettle incorrectly handled certain padding oracles.
A remote attacker could possibly use this issue to perform a variant of the
Bleichenbacher attack. This issue only affected Ubuntu 18.04 LTS.
(CVE-2018-16869)

Rows per page:
1-10 of 281

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

8.3

Confidence

Low

EPSS

0.011

Percentile

84.2%