Detections
Analytics
Amazon Linux 2 : perl (ALAS-2021-1610)
high Nessus Plugin ID 146623
Language:
Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of perl installed on the remote host is prior to 5.16.3-299. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1610 advisory.Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow. (CVE-2020-10543)
Perl before 5.30.3 has an integer overflow related to mishandling of a PL_regkind[OP(n)] == NOTHING situation. A crafted regular expression could lead to malformed bytecode with a possibility of instruction injection. (CVE-2020-10878)
regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls. (CVE-2020-12723)
Tenable has extracted the preceding description block directly from the tested product 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
Run 'yum update perl' to update your system.See Also
https://alas.aws.amazon.com/AL2/ALAS-2021-1610.html
https://access.redhat.com/security/cve/CVE-2020-10543
Plugin Details
Severity: High
ID: 146623
File Name: al2_ALAS-2021-1610.nasl
Version: 1.4
Type: local
Agent: unix
Published: 2/19/2021
Updated: 12/11/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.7
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.5
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: 7.5
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:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:perl-extutils-embed, p-cpe:/a:amazon:linux:perl-cpan, p-cpe:/a:amazon:linux:perl-module-loaded, p-cpe:/a:amazon:linux:perl-core, p-cpe:/a:amazon:linux:perl-macros, p-cpe:/a:amazon:linux:perl-pod-escapes, p-cpe:/a:amazon:linux:perl-devel, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:perl-time-piece, p-cpe:/a:amazon:linux:perl-package-constants, p-cpe:/a:amazon:linux:perl-libs, p-cpe:/a:amazon:linux:perl-debuginfo, p-cpe:/a:amazon:linux:perl, p-cpe:/a:amazon:linux:perl-object-accessor, p-cpe:/a:amazon:linux:perl-extutils-install, p-cpe:/a:amazon:linux:perl-locale-maketext-simple, p-cpe:/a:amazon:linux:perl-tests, p-cpe:/a:amazon:linux:perl-module-corelist, p-cpe:/a:amazon:linux:perl-io-zlib, p-cpe:/a:amazon:linux:perl-extutils-cbuilder
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 2/19/2021
Vulnerability Publication Date: 6/5/2020
Reference Information
CVE: CVE-2020-10543, CVE-2020-10878, CVE-2020-12723
ALAS: 2021-1610