CVE-2018-16869
Fixed in a distro release EPSS 1%CVSS 4.7
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.
Products: nettle_project nettle
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | nettle | 3.4.1~rc1-1 |
| Debian 13 | nettle | 3.4.1~rc1-1 |
| Debian 14 | nettle | 3.4.1~rc1-1 |
| SUSE Linux Enterprise Module for Basesystem 15 | libnettle | 3.4-4.3.1 |
| SUSE Linux Enterprise Module for Desktop Applications 15 | libnettle | 3.4-4.3.1 |
| Ubuntu 14.04 LTS | nettle | no fix |
| Ubuntu 16.04 LTS | nettle | no fix |
| Ubuntu 18.04 LTS | nettle | 3.4.1-0ubuntu0.18.04.1 |
| Ubuntu 20.04 LTS | nettle | 3.5.1+really3.5.1-2ubuntu0.2 |