CVE-2018-16868
Fixed in a distro release EPSS <1%CVSS 4.7
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.
Products: gnutls
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | gnutls28 | 3.6.5-2 |
| Debian 13 | gnutls28 | 3.6.5-2 |
| Debian 14 | gnutls28 | 3.6.5-2 |
| SUSE Linux Enterprise Module for Basesystem 15 | gnutls | 3.6.7-6.8.1 |
| SUSE Linux Enterprise Module for Basesystem 15 | gnutls | 3.6.7-6.11.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP1 | gnutls | 3.6.7-6.11.1 |
| SUSE Linux Enterprise Module for Desktop Applications 15 | gnutls | 3.6.7-6.11.1 |
| SUSE Linux Enterprise Module for Desktop Applications 15 | gnutls | 3.6.7-6.8.1 |
| Ubuntu Pro 14.04 LTS | gnutls26 | no fix |
| Ubuntu Pro 16.04 LTS | gnutls28 | no fix |
| Ubuntu Pro 18.04 LTS | gnutls28 | no fix |
| openSUSE Leap 15.0 | gnutls | 3.6.7-lp151.2.3.1 |
| openSUSE Leap 15.0 | gnutls | 3.6.7-lp150.9.1 |
| openSUSE Leap 15.1 | gnutls | 3.6.7-lp151.2.3.1 |