This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2018-16868 →

DEBIAN-CVE-2018-16868

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...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 gnutls28

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.5-2"}]}]

Debian:13 gnutls28

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.5-2"}]}]

Debian:14 gnutls28

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.5-2"}]}]

References

advisory security-tracker.debian.org