Detections
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Rocky Linux 8 [CIQ] Security Update: Cython-debugsource / PyYAML-debugsource / numpy-debugsource / etc Multiple Vulnerabilities (crlsa-2021_1879)
medium Nessus Plugin ID 358655
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Synopsis
The Rocky Linux host is missing one or more security updates.Description
The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2021_1879 advisory.* python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)
* python-lxml: mXSS due to the use of improper parser (CVE-2020-27783)
* python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c (CVE-2021-3177)
Tenable has extracted the preceding description block directly from the CIQ 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 affected packages based on the guidance in CIQ advisory crlsa-2021_1879.See Also
https://access.redhat.com/errata/RHSA-2021:1879
https://bugzilla.redhat.com/show_bug.cgi?id=1868006
https://bugzilla.redhat.com/show_bug.cgi?id=1883014
https://bugzilla.redhat.com/show_bug.cgi?id=1886755
https://bugzilla.redhat.com/show_bug.cgi?id=1901633
https://bugzilla.redhat.com/show_bug.cgi?id=1918168
https://bugzilla.redhat.com/show_bug.cgi?id=1920596
https://errata.build.resf.org/RLSA-2021:1879
Plugin Details
Severity: Medium
ID: 358655
File Name: ciq_rocky_linux_8_crlsa-2021_1879.nasl
Version: 1.1
Type: Local
Published: 10/1/2026
Updated: 10/1/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 57.15
Vendor
Vendor Severity: Unknown
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.9
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-3177
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
CVSS v4
Risk Factor: Medium
Base Score: 5.3
Threat Score: 2.1
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS Score Source: CVE-2020-27783
Vulnerability Information
Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 5/18/2021
Vulnerability Publication Date: 7/30/2020