CVE-2018-16869

Severity

32%

Complexity

34%

Confidentiality

81%

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.

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.

CVSS 3.0 Base Score 5.7. CVSS Attack Vector: physical. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N).

CVSS 2.0 Base Score 3.3. CVSS Attack Vector: local. CVSS Attack Complexity: medium. CVSS Vector: (AV:L/AC:M/Au:N/C:P/I:P/A:N).

Overview

First reported 6 years ago

2018-12-03 14:29:00

Last updated 5 years ago

2019-10-09 23:36:00

Affected Software

Nettle Project Nettle

References

http://cat.eyalro.net/

Technical Description, Third Party Advisory

106092

Third Party Advisory, VDB Entry

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16869

Issue Tracking, Third Party Advisory

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