CVE-2018-16869

Impact:
Moderate
Public Date:
2018-11-30
CWE:
CWE-200
Bugzilla:
1654930: CVE-2018-16869 nettle: Leaky data conversion exposing a manager oracle
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 plain text or, in some cases, downgrade any TLS connections to a vulnerable server.

Find out more about CVE-2018-16869 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 4.7
CVSS3 Base Metrics CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Attack Vector Physical
Attack Complexity High
Privileges Required High
User Interaction None
Scope Changed
Confidentiality High
Integrity Impact None
Availability Impact None

Affected Packages State

Platform Package State
Red Hat Virtualization 4 rhvm-appliance Will not fix
Red Hat Virtualization 4 redhat-virtualization-host Will not fix
Red Hat Enterprise Linux 8 mingw-nettle Affected
Red Hat Enterprise Linux 8 nettle Not affected
Red Hat Enterprise Linux 7 nettle Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

External References

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