CVE-2018-16869

NameCVE-2018-16869
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nettle (PTS)jessie2.7.1-5+deb8u2vulnerable
stretch3.3-1vulnerable
buster, sid3.4.1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nettlesource(unstable)3.4.1~rc1-1low

Notes

http://cat.eyalro.net/
https://lists.lysator.liu.se/pipermail/nettle-bugs/2018/007363.html
The upstream correction is to make a new public function that packages using
nettle can use. This means that fixing this CVE does not solve anything on its
own, but it is a pre-requisite for fixing other CVEs like CVE-2018-16868.

Search for package or bug name: Reporting problems