Detections
Analytics
CentOS 7 : openssl (CESA-2021:3798)
high Nessus Plugin ID 155545
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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-2021:3798 advisory.- openssl: integer overflow in CipherUpdate (CVE-2021-23840)
- openssl: NULL pointer dereference in X509_issuer_and_serial_hash() (CVE-2021-23841)
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?f2947f14
Plugin Details
Severity: High
ID: 155545
File Name: centos_RHSA-2021-3798.nasl
Version: 1.5
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 11/17/2021
Updated: 11/23/2023
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 4.1
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2021-23840
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:centos:centos:openssl, p-cpe:/a:centos:centos:openssl-devel, p-cpe:/a:centos:centos:openssl-libs, p-cpe:/a:centos:centos:openssl-perl, p-cpe:/a:centos:centos:openssl-static, cpe:/o:centos:centos:7
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 11/17/2021
Vulnerability Publication Date: 2/16/2021
Reference Information
CVE: CVE-2021-23840, CVE-2021-23841