CVE-2019-11727
Published: 11 July 2019
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.
Notes
| Author | Note |
|---|---|
| mdeslaur | only 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. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
mozjs52 Launchpad, Ubuntu, Debian |
groovy |
Ignored
(end of life)
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| bionic |
Needs triage
|
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Needs triage
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| mantic |
Does not exist
|
|
|
firefox Launchpad, Ubuntu, Debian |
jammy |
Released
(68.0+build3-0ubuntu1)
|
| kinetic |
Released
(68.0+build3-0ubuntu1)
|
|
| lunar |
Released
(68.0+build3-0ubuntu1)
|
|
| bionic |
Released
(68.0+build3-0ubuntu0.18.04.1)
|
|
| cosmic |
Released
(68.0+build3-0ubuntu0.18.10.1)
|
|
| disco |
Released
(68.0+build3-0ubuntu0.19.04.1)
|
|
| eoan |
Released
(68.0+build3-0ubuntu1)
|
|
| focal |
Released
(68.0+build3-0ubuntu1)
|
|
| groovy |
Released
(68.0+build3-0ubuntu1)
|
|
| hirsute |
Released
(68.0+build3-0ubuntu1)
|
|
| impish |
Released
(68.0+build3-0ubuntu1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(68)
|
|
| xenial |
Released
(68.0+build3-0ubuntu0.16.04.1)
|
|
| mantic |
Released
(68.0+build3-0ubuntu1)
|
|
|
mozjs38 Launchpad, Ubuntu, Debian |
jammy |
Does not exist
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| bionic |
Needs triage
|
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| mantic |
Does not exist
|
|
|
mozjs60 Launchpad, Ubuntu, Debian |
jammy |
Does not exist
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| bionic |
Does not exist
|
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| mantic |
Does not exist
|
|
|
nss Launchpad, Ubuntu, Debian |
jammy |
Released
(2:3.45-1ubuntu1)
|
| kinetic |
Released
(2:3.45-1ubuntu1)
|
|
| lunar |
Released
(2:3.45-1ubuntu1)
|
|
| bionic |
Not vulnerable
(code not present)
|
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Released
(2:3.42-1ubuntu2.1)
|
|
| eoan |
Released
(2:3.45-1ubuntu1)
|
|
| focal |
Released
(2:3.45-1ubuntu1)
|
|
| groovy |
Released
(2:3.45-1ubuntu1)
|
|
| hirsute |
Released
(2:3.45-1ubuntu1)
|
|
| impish |
Released
(2:3.45-1ubuntu1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(2:3.45-1)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
| mantic |
Released
(2:3.45-1ubuntu1)
|
|
|
Patches: upstream: https://hg.mozilla.org/projects/nss/rev/0a4e8b72a92e144663c2f35d3836f7828cfc97f2 |
||
|
thunderbird Launchpad, Ubuntu, Debian |
jammy |
Not vulnerable
(1:68.5.0+build1-0ubuntu1)
|
| bionic |
Not vulnerable
(1:68.4.1+build1-0ubuntu0.18.04.1)
|
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Not vulnerable
(1:68.4.1+build1-0ubuntu0.19.10.1)
|
|
| focal |
Not vulnerable
(1:68.5.0+build1-0ubuntu1)
|
|
| groovy |
Not vulnerable
(1:68.5.0+build1-0ubuntu1)
|
|
| hirsute |
Not vulnerable
(1:68.5.0+build1-0ubuntu1)
|
|
| impish |
Not vulnerable
(1:68.5.0+build1-0ubuntu1)
|
|
| kinetic |
Not vulnerable
(1:68.5.0+build1-0ubuntu1)
|
|
| lunar |
Not vulnerable
(1:68.5.0+build1-0ubuntu1)
|
|
| upstream |
Needed
|
|
| xenial |
Released
(1:68.7.0+build1-0ubuntu0.16.04.2)
|
|
| mantic |
Not vulnerable
(1:68.5.0+build1-0ubuntu1)
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |