Detections
Analytics
RHEL 8 : perl (RHSA-2021:2792)
high Nessus Plugin ID 151848
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2792 advisory.- perl: heap-based buffer overflow in regular expression compiler leads to DoS (CVE-2020-10543)
- perl: corruption of intermediate language state of compiled regular expression due to integer overflow leads to DoS (CVE-2020-10878)
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.See Also
https://access.redhat.com/security/cve/CVE-2020-10543
https://access.redhat.com/security/cve/CVE-2020-10878
https://access.redhat.com/errata/RHSA-2021:2792
Plugin Details
Severity: High
ID: 151848
File Name: redhat-RHSA-2021-2792.nasl
Version: 1.9
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 7/21/2021
Updated: 12/7/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.7
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.2
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2020-10878
CVSS v3
Risk Factor: High
Base Score: 8.6
Temporal Score: 8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:rhel_tus:8.2, p-cpe:/a:redhat:enterprise_linux:perl-errno, p-cpe:/a:redhat:enterprise_linux:perl-time-piece, p-cpe:/a:redhat:enterprise_linux:perl, p-cpe:/a:redhat:enterprise_linux:perl-attribute-handlers, p-cpe:/a:redhat:enterprise_linux:perl-devel-selfstubber, p-cpe:/a:redhat:enterprise_linux:perl-extutils-miniperl, p-cpe:/a:redhat:enterprise_linux:perl-module-loaded, p-cpe:/a:redhat:enterprise_linux:perl-locale-maketext-simple, cpe:/o:redhat:rhel_eus:8.2, p-cpe:/a:redhat:enterprise_linux:perl-io-zlib, p-cpe:/a:redhat:enterprise_linux:perl-pod-html, p-cpe:/a:redhat:enterprise_linux:perl-selfloader, p-cpe:/a:redhat:enterprise_linux:perl-open, p-cpe:/a:redhat:enterprise_linux:perl-tests, p-cpe:/a:redhat:enterprise_linux:perl-extutils-embed, p-cpe:/a:redhat:enterprise_linux:perl-memoize, p-cpe:/a:redhat:enterprise_linux:perl-libs, p-cpe:/a:redhat:enterprise_linux:perl-math-complex, p-cpe:/a:redhat:enterprise_linux:perl-net-ping, p-cpe:/a:redhat:enterprise_linux:perl-devel-peek, p-cpe:/a:redhat:enterprise_linux:perl-devel, cpe:/o:redhat:rhel_aus:8.2, p-cpe:/a:redhat:enterprise_linux:perl-io, cpe:/o:redhat:rhel_e4s:8.2, p-cpe:/a:redhat:enterprise_linux:perl-test, p-cpe:/a:redhat:enterprise_linux:perl-interpreter, p-cpe:/a:redhat:enterprise_linux:perl-libnetcfg, p-cpe:/a:redhat:enterprise_linux:perl-macros, p-cpe:/a:redhat:enterprise_linux:perl-utils
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: 7/20/2021
Vulnerability Publication Date: 6/2/2020
Reference Information
CVE: CVE-2020-10543, CVE-2020-10878