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RHEL 8 : dnf (RHSA-2021:4464)
high Nessus Plugin ID 155088
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Synopsis
The remote Red Hat host is missing a security update for dnf.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4464 advisory.- libdnf: Signature verification bypass via signature placed in the main RPM header (CVE-2021-3445)
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 RHEL dnf package based on the guidance in RHSA-2021:4464.See Also
http://www.nessus.org/u?4a03a1c7
http://www.nessus.org/u?7240878e
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/errata/RHSA-2021:4464
https://bugzilla.redhat.com/show_bug.cgi?id=1804234
https://bugzilla.redhat.com/show_bug.cgi?id=1818118
https://bugzilla.redhat.com/show_bug.cgi?id=1847035
https://bugzilla.redhat.com/show_bug.cgi?id=1893176
https://bugzilla.redhat.com/show_bug.cgi?id=1898293
https://bugzilla.redhat.com/show_bug.cgi?id=1904490
https://bugzilla.redhat.com/show_bug.cgi?id=1906970
https://bugzilla.redhat.com/show_bug.cgi?id=1913962
https://bugzilla.redhat.com/show_bug.cgi?id=1914827
https://bugzilla.redhat.com/show_bug.cgi?id=1918475
https://bugzilla.redhat.com/show_bug.cgi?id=1926261
https://bugzilla.redhat.com/show_bug.cgi?id=1926771
https://bugzilla.redhat.com/show_bug.cgi?id=1929163
https://bugzilla.redhat.com/show_bug.cgi?id=1929667
https://bugzilla.redhat.com/show_bug.cgi?id=1932079
https://bugzilla.redhat.com/show_bug.cgi?id=1934499
https://bugzilla.redhat.com/show_bug.cgi?id=1940345
https://bugzilla.redhat.com/show_bug.cgi?id=1951409
https://bugzilla.redhat.com/show_bug.cgi?id=1951411
https://bugzilla.redhat.com/show_bug.cgi?id=1951414
https://bugzilla.redhat.com/show_bug.cgi?id=1957280
https://bugzilla.redhat.com/show_bug.cgi?id=1961632
https://bugzilla.redhat.com/show_bug.cgi?id=1961633
Plugin Details
Severity: High
ID: 155088
File Name: redhat-RHSA-2021-4464.nasl
Version: 1.8
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/11/2021
Updated: 4/28/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 5.1
Temporal Score: 3.8
Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-3445
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:dnf, p-cpe:/a:redhat:enterprise_linux:dnf-automatic, p-cpe:/a:redhat:enterprise_linux:dnf-data, p-cpe:/a:redhat:enterprise_linux:dnf-plugins-core, p-cpe:/a:redhat:enterprise_linux:libdnf, p-cpe:/a:redhat:enterprise_linux:libdnf-devel, p-cpe:/a:redhat:enterprise_linux:python3-dnf, p-cpe:/a:redhat:enterprise_linux:python3-dnf-plugin-post-transaction-actions, p-cpe:/a:redhat:enterprise_linux:python3-dnf-plugin-versionlock, p-cpe:/a:redhat:enterprise_linux:python3-dnf-plugins-core, p-cpe:/a:redhat:enterprise_linux:python3-hawkey, p-cpe:/a:redhat:enterprise_linux:python3-libdnf, p-cpe:/a:redhat:enterprise_linux:yum, p-cpe:/a:redhat:enterprise_linux:yum-utils
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 11/9/2021
Vulnerability Publication Date: 5/19/2021
Reference Information
CVE: CVE-2021-3445