Detections
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RHEL 7 : nss-softokn (RHSA-2021:0758)
critical Nessus Plugin ID 147208
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Synopsis
The remote Red Hat host is missing one or more security updates for nss-softokn.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0758 advisory.The nss-softokn package provides the Network Security Services Softoken Cryptographic Module.
Security Fix(es):
* 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: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read (CVE-2020-12403)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the RHEL nss-softokn package based on the guidance in RHSA-2021:0758.See Also
http://www.nessus.org/u?f774a351
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/errata/RHSA-2021:0758
https://bugzilla.redhat.com/show_bug.cgi?id=1774835
Plugin Details
Severity: Critical
ID: 147208
File Name: redhat-RHSA-2021-0758.nasl
Version: 1.14
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 3/9/2021
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
Vendor
Vendor Severity: Moderate
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:redhat:enterprise_linux:nss-softokn-freebl-devel, cpe:/o:redhat:rhel_e4s:7.4, p-cpe:/a:redhat:enterprise_linux:nss-softokn, cpe:/o:redhat:rhel_aus:7.4, p-cpe:/a:redhat:enterprise_linux:nss-softokn-devel, cpe:/o:redhat:rhel_tus:7.4, p-cpe:/a:redhat:enterprise_linux:nss-softokn-freebl
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 3/9/2021
Vulnerability Publication Date: 12/3/2019