VulnerabilityModified
CVE-2018-16869
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.
MEDIUM 5.7EPSS 1.49%
Does this matter?
Lower severity and a low EPSS score (1.49%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.7 MEDIUMCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
- EPSS
- 1.49% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- nettle project/nettle
- Source
- secalert@redhat.com
References
- http://cat.eyalro.net/Technical Description, Third Party Advisory
- http://www.securityfocus.com/bid/106092Broken Link, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16869Issue Tracking, Third Party Advisory
- http://cat.eyalro.net/Technical Description, Third Party Advisory
- http://www.securityfocus.com/bid/106092Broken Link, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16869Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.