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Ubuntu: USN-4990-1 (CVE-2018-16869): Nettle vulnerabilities

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Ubuntu: USN-4990-1 (CVE-2018-16869): Nettle vulnerabilities

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
Published
12/03/2018
Created
06/21/2021
Added
06/18/2021
Modified
05/01/2023

Description

A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

Solution(s)

  • ubuntu-upgrade-libnettle6
  • ubuntu-upgrade-libnettle7
  • ubuntu-upgrade-libnettle8

References

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