CVE-2020-12403
Published: 18 August 2020
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.
Priority
Medium
CVSS 3 base score: 9.1
Status
| Package | Release | Status |
|---|---|---|
|
nss Launchpad, Ubuntu, Debian |
Upstream |
Released
(3.55)
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Released
(2:3.49.1-1ubuntu1.5)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Released
(2:3.35-2ubuntu2.12)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Released
(2:3.28.4-0ubuntu0.16.04.14)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Released
(2:3.28.4-0ubuntu0.14.04.5+esm8)
|
|
|
Patches: Upstream: https://hg.mozilla.org/projects/nss/rev/f282556e6cc7715f5754aeaadda6f902590e7e38 Upstream: https://hg.mozilla.org/projects/nss/rev/c25adfdfab34ddb08d3262aac3242e3399de1095 |
||