9 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.03 Low
EPSS
Percentile
91.0%
From Red Hat Security Advisory 2017:1576 :
An update for mercurial is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.
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.
Mercurial is a fast, lightweight source control management system designed for efficient handling of very large distributed projects.
Security Fix(es) :
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2017:1576 and
# Oracle Linux Security Advisory ELSA-2017-1576 respectively.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(101076);
script_version("3.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");
script_cve_id("CVE-2017-9462");
script_xref(name:"RHSA", value:"2017:1576");
script_name(english:"Oracle Linux 6 / 7 : mercurial (ELSA-2017-1576)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:"The remote Oracle Linux host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"From Red Hat Security Advisory 2017:1576 :
An update for mercurial is now available for Red Hat Enterprise Linux
6 and Red Hat Enterprise Linux 7.
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.
Mercurial is a fast, lightweight source control management system
designed for efficient handling of very large distributed projects.
Security Fix(es) :
* A flaw was found in the way 'hg serve --stdio' command in Mercurial
handled command-line options. A remote, authenticated attacker could
use this flaw to execute arbitrary code on the Mercurial server by
using specially crafted command-line options. (CVE-2017-9462)"
);
script_set_attribute(
attribute:"see_also",
value:"https://oss.oracle.com/pipermail/el-errata/2017-June/006998.html"
);
script_set_attribute(
attribute:"see_also",
value:"https://oss.oracle.com/pipermail/el-errata/2017-June/006999.html"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected mercurial packages."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'Mercurial Custom hg-ssh Wrapper Remote Code Exec');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:emacs-mercurial");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:emacs-mercurial-el");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:mercurial");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:mercurial-hgk");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:6");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:7");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/06/06");
script_set_attribute(attribute:"patch_publication_date", value:"2017/06/27");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/06/28");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2017-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Oracle Linux Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/OracleLinux")) audit(AUDIT_OS_NOT, "Oracle Linux");
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, "Oracle Linux");
os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Oracle Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^(6|7)([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 6 / 7", "Oracle Linux " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Oracle Linux", cpu);
flag = 0;
if (rpm_check(release:"EL6", reference:"emacs-mercurial-1.4-5.el6_9")) flag++;
if (rpm_check(release:"EL6", reference:"emacs-mercurial-el-1.4-5.el6_9")) flag++;
if (rpm_check(release:"EL6", reference:"mercurial-1.4-5.el6_9")) flag++;
if (rpm_check(release:"EL6", reference:"mercurial-hgk-1.4-5.el6_9")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"emacs-mercurial-2.6.2-7.el7_3")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"emacs-mercurial-el-2.6.2-7.el7_3")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"mercurial-2.6.2-7.el7_3")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"mercurial-hgk-2.6.2-7.el7_3")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "emacs-mercurial / emacs-mercurial-el / mercurial / mercurial-hgk");
}
Vendor | Product | Version | CPE |
---|---|---|---|
oracle | linux | emacs-mercurial | p-cpe:/a:oracle:linux:emacs-mercurial |
oracle | linux | emacs-mercurial-el | p-cpe:/a:oracle:linux:emacs-mercurial-el |
oracle | linux | mercurial | p-cpe:/a:oracle:linux:mercurial |
oracle | linux | mercurial-hgk | p-cpe:/a:oracle:linux:mercurial-hgk |
oracle | linux | 6 | cpe:/o:oracle:linux:6 |
oracle | linux | 7 | cpe:/o:oracle:linux:7 |
9 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.03 Low
EPSS
Percentile
91.0%