CVE-2020-12403
Summary
| CVE | CVE-2020-12403 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-05-27 19:15:00 UTC |
| Updated | 2023-03-24 16:15:00 UTC |
| Description | A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS in versions before 3.55. When using multi-part Chacha20, it could cause out-of-bounds reads. This issue was fixed by explicitly disabling multi-part ChaCha20 (which was not functioning correctly) and strictly enforcing tag length. The highest threat from this vulnerability is to confidentiality and system availability. |
Risk And Classification
Problem Types: CWE-125
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| NSS 3.55 release notes - Mozilla | MDN | MISC | developer.mozilla.org | |
| [SECURITY] [DLA 3327-1] nss security update | MLIST | lists.debian.org | |
| 1868931 – (CVE-2020-12403) CVE-2020-12403 nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read | MISC | bugzilla.redhat.com | |
| CVE-2020-12403 Libnss Vulnerability in NetApp Products | NetApp Product Security | CONFIRM | security.netapp.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 181594 Debian Security Update for nss (DLA 3327-1)
- 239173 Red Hat Update for nss and nss-softokn (RHSA-2021:0876)
- 239184 Red Hat Update for nss-softokn (RHSA-2021:1026)
- 352469 Amazon Linux Security Advisory for nspr, nss-softokn, nss-util: ALAS-2021-1522
- 377391 Alibaba Cloud Linux Security Update for nss (ALINUX3-SA-2021:0015)
- 377524 Alibaba Cloud Linux Security Update for nss and nspr (ALINUX2-SA-2020:0173)
- 500458 Alpine Linux Security Update for nss
- 900037 CBL-Mariner Linux Security Update for nss 3.44
- 901861 Common Base Linux Mariner (CBL-Mariner) Security Update for nss (6746-1)
- 903133 Common Base Linux Mariner (CBL-Mariner) Security Update for nss (4326)
- 904928 Common Base Linux Mariner (CBL-Mariner) Security Update for openjdk8 (12402)
- 904973 Common Base Linux Mariner (CBL-Mariner) Security Update for mozjs60 (12364)
- 940393 AlmaLinux Security Update for nss (ALSA-2021:0538)
- 960725 Rocky Linux Security Update for nss (RLSA-2021:0538)