CVE-2020-12402
First published: Tue Apr 21 2020(Updated: )
A flaw was found in NSS, where it is vulnerable to RSA key generation cache timing side-channel attacks. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. The highest threat to this flaw is to confidentiality.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/nspr | <0:4.25.0-2.el7_9 | 0:4.25.0-2.el7_9 |
| redhat/nss | <0:3.53.1-3.el7_9 | 0:3.53.1-3.el7_9 |
| redhat/nss-softokn | <0:3.53.1-6.el7_9 | 0:3.53.1-6.el7_9 |
| redhat/nss-util | <0:3.53.1-1.el7_9 | 0:3.53.1-1.el7_9 |
| redhat/nspr | <0:4.25.0-2.el8_2 | 0:4.25.0-2.el8_2 |
| redhat/nss | <0:3.53.1-11.el8_2 | 0:3.53.1-11.el8_2 |
| Mozilla Thunderbird | <78 | 78 |
| redhat/nss | <3.53.1 | 3.53.1 |
| Mozilla Firefox | <78 | 78 |
| Mozilla Firefox | <78.0 | |
| Fedoraproject Fedora | =32 | |
| openSUSE Leap | =15.1 | |
| openSUSE Leap | =15.2 | |
| Debian Debian Linux | =9.0 | |
| debian/nss | 2:3.61-1+deb11u3 2:3.87.1-1 2:3.103-1 |
Remedy
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2020-12402 https://nvd.nist.gov/vuln/detail/CVE-2020-12402 https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.53.1_release_notes
- https://bugzilla.redhat.com/show_bug.cgi?id=1826231
- https://access.redhat.com/errata/RHSA-2020:4076
- https://access.redhat.com/errata/RHSA-2020:3280
- https://access.redhat.com/security/cve/cve-2020-12402
- https://bugzilla.mozilla.org/show_bug.cgi?id=1631597
- https://www.mozilla.org/security/advisories/mfsa2020-24/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00018.html
- https://usn.ubuntu.com/4417-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
- https://www.debian.org/security/2020/dsa-4726
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UWVDJRARXNWWWTCGMM63EXLQHH2LNOXO/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
- https://security.gentoo.org/glsa/202007-10
- https://usn.ubuntu.com/4417-2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RFL6UNFK4MG2WDXLMLFAEIUSM5EUK7CG/
- https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
- https://launchpad.net/bugs/cve/CVE-2020-12402
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-29/
- https://hg.mozilla.org/projects/nss/rev/699541a7793bbe9b20f1d73dc49e25c6054aa4c1
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.53.1_release_notes
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1847931
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/#CVE-2020-12416
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RFL6UNFK4MG2WDXLMLFAEIUSM5EUK7CG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UWVDJRARXNWWWTCGMM63EXLQHH2LNOXO/
- https://security-tracker.debian.org/tracker/CVE-2020-12402
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12402
- https://nvd.nist.gov/vuln/detail/CVE-2020-12402
- https://ubuntu.com/security/CVE-2020-12402
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for this flaw?
The vulnerability ID for this flaw is CVE-2020-12402.
What is the severity of CVE-2020-12402?
The severity of CVE-2020-12402 is medium, with a severity value of 4.4.
Which software and versions are affected by CVE-2020-12402?
Mozilla Firefox version up to 78, Red Hat NSS version up to 3.53.1, Red Hat NSPR version up to 4.25.0-2.el7_9, Ubuntu NSS version up to 2:3.53.1, Ubuntu NSS version up to 3.28.4-0ubuntu0.14.04.5+.
What is the remedy for CVE-2020-12402?
Update Mozilla Firefox to version 78, update Red Hat NSS to version 3.53.1, update Red Hat NSPR to version 4.25.0-2.el7_9, update Ubuntu NSS to version 2:3.53.1, update Ubuntu NSS to version 3.28.4-0ubuntu0.14.04.5+.
Are there any references for CVE-2020-12402?
Yes, the references for CVE-2020-12402 are: - [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1631597) - [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/) - [Mozilla NSS Repository](https://hg.mozilla.org/projects/nss/rev/699541a7793bbe9b20f1d73dc49e25c6054aa4c1)
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