CVE-2018-16869
low-risk
Published 2018-12-03
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.
Do I need to act?
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0.11% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.7/10
Medium
PHYSICAL
/ HIGH complexity
Affected Products (1)
Affected Vendors
References (6)
Technical Description
http://cat.eyalro.net/
Broken Link
http://www.securityfocus.com/bid/106092
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16869
Technical Description
http://cat.eyalro.net/
Broken Link
http://www.securityfocus.com/bid/106092
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16869
20
/ 100
low-risk
Severity
15/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal