[SECURITY] [DLA 2388-1] nss security update

Debian LTS Advisory DLA-2388-1 [email protected]
https://www.debian.org/lts/security/ Adrian Bunk
September 29, 2020 https://wiki.debian.org/LTS

Package : nss
Version : 2:3.26.2-1.1+deb9u2
CVE ID : CVE-2018-12404 CVE-2018-18508 CVE-2019-11719 CVE-2019-11729
CVE-2019-11745 CVE-2019-17006 CVE-2019-17007 CVE-2020-6829
CVE-2020-12399 CVE-2020-12400 CVE-2020-12401 CVE-2020-12402
CVE-2020-12403
Debian Bug : 921614 961752 963152

Various vulnerabilities were fixed in nss,
the Network Security Service libraries.

CVE-2018-12404

Cache side-channel variant of the Bleichenbacher attack.

CVE-2018-18508

NULL pointer dereference in several CMS functions resulting in a 
denial of service.

CVE-2019-11719

Out-of-bounds read when importing curve25519 private key.

CVE-2019-11729

Empty or malformed p256-ECDH public keys may trigger a segmentation 
fault.

CVE-2019-11745

Out-of-bounds write when encrypting with a block cipher.

CVE-2019-17006

Some cryptographic primitives did not check the length of the input 
text, potentially resulting in overflows.

CVE-2019-17007

Handling of Netscape Certificate Sequences may crash with a NULL 
dereference leading to a denial of service.

CVE-2020-12399

Force a fixed length for DSA exponentiation.

CVE-2020-6829
CVE-2020-12400

Side channel attack on ECDSA signature generation.

CVE-2020-12401

ECDSA timing attack mitigation bypass.

CVE-2020-12402

Side channel vulnerabilities during RSA key generation.

CVE-2020-12403

CHACHA20-POLY1305 decryption with undersized tag leads to 
out-of-bounds read.

For Debian 9 stretch, these problems have been fixed in version
2:3.26.2-1.1+deb9u2.

We recommend that you upgrade your nss packages.

For the detailed security status of nss please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/nss

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS