CVE-2019-11727

medium
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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.

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html

https://access.redhat.com/errata/RHSA-2019:1951

https://bugzilla.mozilla.org/show_bug.cgi?id=1552208

https://security.gentoo.org/glsa/201908-12

https://www.mozilla.org/security/advisories/mfsa2019-21/

Details

Source: MITRE

Published: 2019-07-23

Updated: 2019-07-30

Type: CWE-295

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Impact Score: 1.4

Exploitability Score: 3.9

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Tenable Plugins

View all (29 total)

IDNameProductFamilySeverity
151520Amazon Linux AMI : nspr, nss-softokn, nss-util (ALAS-2021-1522)NessusAmazon Linux Local Security Checks
critical
150659SUSE SLES11 Security Update : mozilla-nspr, mozilla-nss (SUSE-SU-2020:14418-1)NessusSuSE Local Security Checks
critical
147361NewStart CGSL CORE 5.04 / MAIN 5.04 : nss Multiple Vulnerabilities (NS-SA-2021-0019)NessusNewStart CGSL Local Security Checks
critical
145690CentOS 8 : nss and nspr (CESA-2019:1951)NessusCentOS Local Security Checks
medium
142720Amazon Linux 2 : nspr (ALAS-2020-1559)NessusAmazon Linux Local Security Checks
critical
142600CentOS 7 : nss and nspr (CESA-2020:4076)NessusCentOS Local Security Checks
critical
141689Scientific Linux Security Update : nss and nspr on SL7.x x86_64 (20201001)NessusScientific Linux Local Security Checks
critical
141312Oracle Linux 7 : nss / and / nspr (ELSA-2020-4076)NessusOracle Linux Local Security Checks
critical
141059RHEL 7 : nss and nspr (RHSA-2020:4076)NessusRed Hat Local Security Checks
critical
132924SUSE SLED12 / SLES12 Security Update : mozilla-nspr, mozilla-nss (SUSE-SU-2020:0088-1)NessusSuSE Local Security Checks
critical
132849openSUSE Security Update : mozilla-nspr / mozilla-nss (openSUSE-2020-8)NessusSuSE Local Security Checks
critical
132518SUSE SLED15 / SLES15 Security Update : mozilla-nspr, mozilla-nss (SUSE-SU-2019:3395-1)NessusSuSE Local Security Checks
critical
129772SUSE SLED12 / SLES12 Security Update : MozillaFirefox (SUSE-SU-2019:2620-1)NessusSuSE Local Security Checks
high
129665openSUSE Security Update : MozillaFirefox (openSUSE-2019-2260)NessusSuSE Local Security Checks
high
129664openSUSE Security Update : MozillaFirefox (openSUSE-2019-2251)NessusSuSE Local Security Checks
high
129663openSUSE Security Update : MozillaThunderbird (openSUSE-2019-2249)NessusSuSE Local Security Checks
high
129662openSUSE Security Update : MozillaThunderbird (openSUSE-2019-2248)NessusSuSE Local Security Checks
high
129583SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2019:2545-1)NessusSuSE Local Security Checks
high
128970Mozilla Thunderbird < 68.0NessusWindows
high
128969Mozilla Thunderbird < 68.0NessusMacOS X Local Security Checks
high
127961GLSA-201908-12 : Mozilla Firefox: Multiple vulnerabilitiesNessusGentoo Local Security Checks
critical
127636RHEL 8 : nss and nspr (RHSA-2019:1951)NessusRed Hat Local Security Checks
medium
127609Oracle Linux 8 : nspr / nss (ELSA-2019-1951)NessusOracle Linux Local Security Checks
medium
127093Ubuntu 16.04 LTS / 18.04 LTS / 19.04 : Firefox regressions (USN-4054-2)NessusUbuntu Local Security Checks
high
126772Ubuntu 16.04 LTS / 18.04 LTS / 19.04 : NSS vulnerabilities (USN-4060-1)NessusUbuntu Local Security Checks
medium
126698Ubuntu 16.04 LTS / 18.04 LTS / 18.10 / 19.04 : Firefox vulnerabilities (USN-4054-1)NessusUbuntu Local Security Checks
high
126622Mozilla Firefox < 68.0NessusWindows
high
126621Mozilla Firefox < 68.0NessusMacOS X Local Security Checks
high
126592FreeBSD : mozilla -- multiple vulnerabilities (0592f49f-b3b8-4260-b648-d1718762656c)NessusFreeBSD Local Security Checks
high