CVE-2019-11727

Priority
Description
A vulnerability exists where it possible to force Network Security Services
(NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are
the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1
v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability
affects Firefox < 68.
Assigned-to
chrisccoulson
Notes
mdeslauronly an issue with TLSv1.3. Releases before Bionic have no
TLSv1.3 support. Bionic shipped with an incompatible TLSv1.3
draft, so likely not used.
Package
Upstream:released (68)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (68.0+build3-0ubuntu0.16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (68.0+build3-0ubuntu0.18.04.1)
Ubuntu 19.04 (Disco Dingo):released (68.0+build3-0ubuntu0.19.04.1)
Ubuntu 19.10 (Eoan Ermine):released (68.0+build3-0ubuntu1)
Ubuntu 20.04 (Focal Fossa):released (68.0+build3-0ubuntu1)
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):needs-triage
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):needs-triage
Ubuntu 19.04 (Disco Dingo):needs-triage
Ubuntu 19.10 (Eoan Ermine):needs-triage
Ubuntu 20.04 (Focal Fossa):needs-triage
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.04 (Disco Dingo):needs-triage
Ubuntu 19.10 (Eoan Ermine):needs-triage
Ubuntu 20.04 (Focal Fossa):needs-triage
Package
Source: nss (LP Ubuntu Debian)
Upstream:released (2:3.45-1)
Ubuntu 12.04 ESM (Precise Pangolin):not-affected (code not present)
Ubuntu 14.04 ESM (Trusty Tahr):not-affected (code not present)
Ubuntu 16.04 LTS (Xenial Xerus):not-affected (code not present)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (code not present)
Ubuntu 19.04 (Disco Dingo):released (2:3.42-1ubuntu2.1)
Ubuntu 19.10 (Eoan Ermine):released (2:3.45-1ubuntu1)
Ubuntu 20.04 (Focal Fossa):released (2:3.45-1ubuntu1)
Patches:
Upstream:https://hg.mozilla.org/projects/nss/rev/0a4e8b72a92e144663c2f35d3836f7828cfc97f2
Package
Priority: Low
Upstream:needed
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):needed
Ubuntu 18.04 LTS (Bionic Beaver):needed
Ubuntu 19.04 (Disco Dingo):needed
Ubuntu 19.10 (Eoan Ermine):needed
Ubuntu 20.04 (Focal Fossa):needed
More Information

Updated: 2019-12-05 19:59:01 UTC (commit 0aa5e7c87c8b55d2ec5c7f4ca1179cf75de91961)