nss: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-...
CVE-2020-12403 is fixed in 12 products on 1 platform, first by libnss3 2:3.35-2ubuntu2.12, released August 17, 2020. It is not reported as exploited. Patch Radar priority: High.
Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. Security Fix(es): * nss: Side channel attack on ECDSA signature generation (CVE-2020-6829) * nss: P-384 and P-521 implementation uses a side-channel vulnerable modular inversion function (CVE-2020-12400) * nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read (CVE-2020-12403) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * Support key wrap/unwrap with RSA-OAEP (BZ#1896431) * 1536bit group from RFC3526 is allowed in FIPS mode when in policy DH-MIN is set to be lower than 1536 (BZ#1896432) * when NSS_SDB_USE_CACHE not set, after curl access https, dentry increase but never released - consider alternative algorithm for benchmarking ACCESS call in sdb_measureAccess [rhel-8] (BZ#1896933) * Policy should allow overriding library defaults (BZ#1898702) * KDF-self-tests-induced changes for nss in RHEL 8.4 (BZ#1898953) * nss: non-blocksize requests to IKEv1 KDF returns bogus output (BZ#1904408)
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libnss3 · Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.12 | libnss3 2:3.35-2ubuntu2.12 | Aug 17, 2020 |
| libnss3 · Ubuntu 20.04 LTS (focal) | 2:3.49.1-1ubuntu1.5 | libnss3 2:3.49.1-1ubuntu1.5 | Aug 17, 2020 |
| libnss3-tools · Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.12 | libnss3-tools 2:3.35-2ubuntu2.12 | Aug 17, 2020 |
| libnss3-tools · Ubuntu 20.04 LTS (focal) | 2:3.49.1-1ubuntu1.5 | libnss3-tools 2:3.49.1-1ubuntu1.5 | Aug 17, 2020 |
| nss · RHEL 8 | 0:3.53.1-17.el8_3 | RHSA-2021:0538 | Feb 16, 2021 |
| nss · ol 8 | 0:3.53.1-17.el8_3 | ELSA-2021-0538 | Feb 17, 2021 |
| nss-devel · RHEL 8 | 0:3.53.1-17.el8_3 | RHSA-2021:0538 | Feb 16, 2021 |
| nss-devel · ol 8 | 0:3.53.1-17.el8_3 | ELSA-2021-0538 | Feb 17, 2021 |
| nss-softokn · RHEL 8 | 0:3.53.1-17.el8_3 | RHSA-2021:0538 | Feb 16, 2021 |
| nss-softokn · ol 8 | 0:3.53.1-17.el8_3 | ELSA-2021-0538 | Feb 17, 2021 |
| nss-softokn-devel · RHEL 8 | 0:3.53.1-17.el8_3 | RHSA-2021:0538 | Feb 16, 2021 |
| nss-softokn-devel · ol 8 | 0:3.53.1-17.el8_3 | ELSA-2021-0538 | Feb 17, 2021 |
| nss-softokn-freebl · RHEL 8 | 0:3.53.1-17.el8_3 | RHSA-2021:0538 | Feb 16, 2021 |
| nss-softokn-freebl · ol 8 | 0:3.53.1-17.el8_3 | ELSA-2021-0538 | Feb 17, 2021 |
| nss-softokn-freebl-devel · RHEL 8 | 0:3.53.1-17.el8_3 | RHSA-2021:0538 | Feb 16, 2021 |
| nss-softokn-freebl-devel · ol 8 | 0:3.53.1-17.el8_3 | ELSA-2021-0538 | Feb 17, 2021 |
| nss-sysinit · RHEL 8 | 0:3.53.1-17.el8_3 | RHSA-2021:0538 | Feb 16, 2021 |
| nss-sysinit · ol 8 | 0:3.53.1-17.el8_3 | ELSA-2021-0538 | Feb 17, 2021 |
| nss-tools · RHEL 8 | 0:3.53.1-17.el8_3 | RHSA-2021:0538 | Feb 16, 2021 |
| nss-tools · ol 8 | 0:3.53.1-17.el8_3 | ELSA-2021-0538 | Feb 17, 2021 |
| nss-util · RHEL 8 | 0:3.53.1-17.el8_3 | RHSA-2021:0538 | Feb 16, 2021 |
| nss-util · ol 8 | 0:3.53.1-17.el8_3 | ELSA-2021-0538 | Feb 17, 2021 |
| nss-util-devel · RHEL 8 | 0:3.53.1-17.el8_3 | RHSA-2021:0538 | Feb 16, 2021 |
| nss-util-devel · ol 8 | 0:3.53.1-17.el8_3 | ELSA-2021-0538 | Feb 17, 2021 |
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