CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
70.4%
An update for perl is now available for Red Hat Enterprise Linux 7.4 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Perl is a high-level programming language that is commonly used for system administration utilities and web programming.
Security Fix(es) :
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2019:1942. The text
# itself is copyright (C) Red Hat, Inc.
#
include('compat.inc');
if (description)
{
script_id(127629);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/07");
script_cve_id("CVE-2018-18311");
script_xref(name:"RHSA", value:"2019:1942");
script_name(english:"RHEL 7 : perl (RHSA-2019:1942)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"An update for perl is now available for Red Hat Enterprise Linux 7.4
Extended Update Support.
Red Hat Product Security has rated this update as having a security
impact of Important. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.
Perl is a high-level programming language that is commonly used for
system administration utilities and web programming.
Security Fix(es) :
* perl: Integer overflow leading to buffer overflow in
Perl_my_setenv() (CVE-2018-18311)
For more details about the security issue(s), including the impact, a
CVSS score, acknowledgments, and other related information, refer to
the CVE page(s) listed in the References section.");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2019:1942");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-18311");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-18311");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/12/07");
script_set_attribute(attribute:"patch_publication_date", value:"2019/07/30");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/12");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-CPAN");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-ExtUtils-CBuilder");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-ExtUtils-Embed");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-ExtUtils-Install");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-IO-Zlib");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-Locale-Maketext-Simple");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-Module-CoreList");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-Module-Loaded");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-Object-Accessor");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-Package-Constants");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-Pod-Escapes");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-Time-Piece");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-core");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-macros");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perl-tests");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.4");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Red Hat Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat");
os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat");
os_ver = os_ver[1];
if (! preg(pattern:"^7\.4([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 7.4", "Red Hat " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu);
yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo))
{
rhsa = "RHSA-2019:1942";
yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
if (!empty_or_null(yum_report))
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : yum_report
);
exit(0);
}
else
{
audit_message = "affected by Red Hat security advisory " + rhsa;
audit(AUDIT_OS_NOT, audit_message);
}
}
else
{
flag = 0;
if (rpm_check(release:"RHEL7", sp:"4", cpu:"s390x", reference:"perl-5.16.3-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", cpu:"x86_64", reference:"perl-5.16.3-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-CPAN-1.9800-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-ExtUtils-CBuilder-0.28.2.6-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-ExtUtils-Embed-1.30-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-ExtUtils-Install-1.58-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-IO-Zlib-1.10-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-Locale-Maketext-Simple-0.21-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-Module-CoreList-2.76.02-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-Module-Loaded-0.08-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-Object-Accessor-0.42-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-Package-Constants-0.02-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-Pod-Escapes-1.04-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", cpu:"s390x", reference:"perl-Time-Piece-1.20.1-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", cpu:"x86_64", reference:"perl-Time-Piece-1.20.1-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", cpu:"s390x", reference:"perl-core-5.16.3-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", cpu:"x86_64", reference:"perl-core-5.16.3-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-debuginfo-5.16.3-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-devel-5.16.3-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", reference:"perl-libs-5.16.3-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", cpu:"s390x", reference:"perl-macros-5.16.3-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", cpu:"x86_64", reference:"perl-macros-5.16.3-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", cpu:"s390x", reference:"perl-tests-5.16.3-292.el7_4.1")) flag++;
if (rpm_check(release:"RHEL7", sp:"4", cpu:"x86_64", reference:"perl-tests-5.16.3-292.el7_4.1")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get() + redhat_report_package_caveat()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "perl / perl-CPAN / perl-ExtUtils-CBuilder / perl-ExtUtils-Embed / etc");
}
}
Vendor | Product | Version | CPE |
---|---|---|---|
redhat | enterprise_linux | perl | p-cpe:/a:redhat:enterprise_linux:perl |
redhat | enterprise_linux | perl-cpan | p-cpe:/a:redhat:enterprise_linux:perl-cpan |
redhat | enterprise_linux | perl-extutils-cbuilder | p-cpe:/a:redhat:enterprise_linux:perl-extutils-cbuilder |
redhat | enterprise_linux | perl-extutils-embed | p-cpe:/a:redhat:enterprise_linux:perl-extutils-embed |
redhat | enterprise_linux | perl-extutils-install | p-cpe:/a:redhat:enterprise_linux:perl-extutils-install |
redhat | enterprise_linux | perl-io-zlib | p-cpe:/a:redhat:enterprise_linux:perl-io-zlib |
redhat | enterprise_linux | perl-locale-maketext-simple | p-cpe:/a:redhat:enterprise_linux:perl-locale-maketext-simple |
redhat | enterprise_linux | perl-module-corelist | p-cpe:/a:redhat:enterprise_linux:perl-module-corelist |
redhat | enterprise_linux | perl-module-loaded | p-cpe:/a:redhat:enterprise_linux:perl-module-loaded |
redhat | enterprise_linux | perl-object-accessor | p-cpe:/a:redhat:enterprise_linux:perl-object-accessor |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
70.4%