CentOS 7 : nss and nspr (CESA-2020:4076)
critical Nessus Plugin ID 142600
Synopsis
The remote CentOS Linux host is missing one or more security updates.Description
The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4076 advisory.- nss: Out-of-bounds read when importing curve25519 private key (CVE-2019-11719)
- nss: PKCS#1 v1.5 signatures can be used for TLS 1.3 (CVE-2019-11727)
- nss: Use-after-free in sftk_FreeSession due to improper refcounting (CVE-2019-11756)
- nss: Check length of inputs for cryptographic primitives (CVE-2019-17006)
- nss: TLS 1.3 HelloRetryRequest downgrade request sets client into invalid state (CVE-2019-17023)
- nss: P-384 and P-521 implementation uses a side-channel vulnerable modular inversion function (CVE-2020-12400)
- nss: ECDSA timing attack mitigation bypass (CVE-2020-12401)
- nss: Side channel vulnerabilities during RSA key generation (CVE-2020-12402)
- nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read (CVE-2020-12403)
- nss: Side channel attack on ECDSA signature generation (CVE-2020-6829)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
http://www.nessus.org/u?5c6405af
http://www.nessus.org/u?1352d2d8
http://www.nessus.org/u?68abfba7
http://www.nessus.org/u?e4a2823e
https://cwe.mitre.org/data/definitions/122.html
https://cwe.mitre.org/data/definitions/125.html
Plugin Details
Severity: Critical
ID: 142600
File Name: centos_RHSA-2020-4076.nasl
Version: 1.4
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 11/6/2020
Updated: 11/30/2020
Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure
Risk Information
CVSS Score Source: CVE-2019-17006
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.4
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:U/RL:OF/RC:C
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:centos:centos:nspr, p-cpe:/a:centos:centos:nspr-devel, p-cpe:/a:centos:centos:nss, p-cpe:/a:centos:centos:nss-devel, p-cpe:/a:centos:centos:nss-pkcs11-devel, p-cpe:/a:centos:centos:nss-softokn, p-cpe:/a:centos:centos:nss-softokn-devel, p-cpe:/a:centos:centos:nss-softokn-freebl, p-cpe:/a:centos:centos:nss-softokn-freebl-devel, p-cpe:/a:centos:centos:nss-sysinit, p-cpe:/a:centos:centos:nss-tools, p-cpe:/a:centos:centos:nss-util, p-cpe:/a:centos:centos:nss-util-devel, cpe:/o:centos:centos:7
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 11/6/2020
Vulnerability Publication Date: 7/9/2019
Reference Information
CVE: CVE-2019-11719, CVE-2019-11727, CVE-2019-11756, CVE-2019-17006, CVE-2019-17023, CVE-2020-6829, CVE-2020-12400, CVE-2020-12401, CVE-2020-12402, CVE-2020-12403