VulnerabilityModified
CVE-2018-16868
An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.
MEDIUM 5.6EPSS 0.58%
Does this matter?
Lower severity and a low EPSS score (0.58%). 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 gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.
- CVSS 3.1
- 5.6 MEDIUMCVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
- EPSS
- 0.58% probability · 46th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- gnu/gnutls
- Source
- secalert@redhat.com
References
- http://cat.eyalro.net/Technical Description, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.htmlBroken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.htmlBroken Link, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106080Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868Issue Tracking, Third Party Advisory
- http://cat.eyalro.net/Technical Description, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.htmlBroken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.htmlBroken Link, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106080Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.