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Test ID:1.3.6.1.4.1.25623.1.0.892388
Category:Debian Local Security Checks
Title:Debian LTS: Security Advisory for nss (DLA-2388-1)
Summary:The remote host is missing an update for the 'nss'; package(s) announced via the DLA-2388-1 advisory.
Description:Summary:
The remote host is missing an update for the 'nss'
package(s) announced via the DLA-2388-1 advisory.

Vulnerability Insight:
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.

Affected Software/OS:
'nss' package(s) on Debian Linux.

Solution:
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.

CVSS Score:
6.8

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-6829
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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