Debian DLA-2388-1 : nss security update

critical Nessus Plugin ID 141062

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Synopsis

The remote Debian host is missing a security update.

Description

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

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

Plugin Details

Severity: Critical

ID: 141062

File Name: debian_DLA-2388.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/30/2020

Updated: 2/16/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2019-17006

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libnss3, p-cpe:/a:debian:debian_linux:libnss3-dbg, p-cpe:/a:debian:debian_linux:libnss3-dev, p-cpe:/a:debian:debian_linux:libnss3-tools, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/29/2020

Vulnerability Publication Date: 5/2/2019

Reference Information

CVE: CVE-2018-12404, CVE-2018-18508, CVE-2019-11719, CVE-2019-11729, CVE-2019-11745, CVE-2019-17006, CVE-2019-17007, CVE-2020-12399, CVE-2020-12400, CVE-2020-12401, CVE-2020-12402, CVE-2020-12403, CVE-2020-6829

Detections

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