An update for squid is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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.
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
The following packages have been upgraded to a newer upstream version:
squid (3.5.20). (BZ#1273942, BZ#1349775)
Security Fix(es) :
Incorrect boundary checks were found in the way squid handled headers in HTTP responses, which could lead to an assertion failure. A malicious HTTP server could use this flaw to crash squid using a specially crafted HTTP response. (CVE-2016-2569, CVE-2016-2570)
It was found that squid did not properly handle errors when failing to parse an HTTP response, possibly leading to an assertion failure. A malicious HTTP server could use this flaw to crash squid using a specially crafted HTTP response. (CVE-2016-2571, CVE-2016-2572)
An incorrect boundary check was found in the way squid handled the Vary header in HTTP responses, which could lead to an assertion failure. A malicious HTTP server could use this flaw to crash squid using a specially crafted HTTP response. (CVE-2016-3948)
Additional Changes :
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.3 Release Notes linked from 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-2016:2600. The text
# itself is copyright (C) Red Hat, Inc.
#
include("compat.inc");
if (description)
{
script_id(94563);
script_version("2.12");
script_cvs_date("Date: 2019/10/24 15:35:42");
script_cve_id("CVE-2016-2569", "CVE-2016-2570", "CVE-2016-2571", "CVE-2016-2572", "CVE-2016-3948");
script_xref(name:"RHSA", value:"2016:2600");
script_name(english:"RHEL 7 : squid (RHSA-2016:2600)");
script_summary(english:"Checks the rpm output for the updated packages");
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 squid is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security
impact of Moderate. 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.
Squid is a high-performance proxy caching server for web clients,
supporting FTP, Gopher, and HTTP data objects.
The following packages have been upgraded to a newer upstream version:
squid (3.5.20). (BZ#1273942, BZ#1349775)
Security Fix(es) :
* Incorrect boundary checks were found in the way squid handled
headers in HTTP responses, which could lead to an assertion failure. A
malicious HTTP server could use this flaw to crash squid using a
specially crafted HTTP response. (CVE-2016-2569, CVE-2016-2570)
* It was found that squid did not properly handle errors when failing
to parse an HTTP response, possibly leading to an assertion failure. A
malicious HTTP server could use this flaw to crash squid using a
specially crafted HTTP response. (CVE-2016-2571, CVE-2016-2572)
* An incorrect boundary check was found in the way squid handled the
Vary header in HTTP responses, which could lead to an assertion
failure. A malicious HTTP server could use this flaw to crash squid
using a specially crafted HTTP response. (CVE-2016-3948)
Additional Changes :
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.3 Release Notes linked from the References section."
);
script_set_attribute(
attribute:"see_also",
value:"https://access.redhat.com/errata/RHSA-2016:2600"
);
script_set_attribute(
attribute:"see_also",
value:"https://access.redhat.com/security/cve/cve-2016-2569"
);
script_set_attribute(
attribute:"see_also",
value:"https://access.redhat.com/security/cve/cve-2016-2570"
);
script_set_attribute(
attribute:"see_also",
value:"https://access.redhat.com/security/cve/cve-2016-2571"
);
script_set_attribute(
attribute:"see_also",
value:"https://access.redhat.com/security/cve/cve-2016-2572"
);
script_set_attribute(
attribute:"see_also",
value:"https://access.redhat.com/security/cve/cve-2016-3948"
);
script_set_attribute(attribute:"solution", value:"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:squid");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:squid-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:squid-migration-script");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:squid-sysvinit");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.3");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.4");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.5");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.6");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.7");
script_set_attribute(attribute:"vuln_publication_date", value:"2016/02/27");
script_set_attribute(attribute:"patch_publication_date", value:"2016/11/03");
script_set_attribute(attribute:"plugin_publication_date", value:"2016/11/04");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Red Hat Local Security Checks");
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([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 7.x", "Red Hat " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "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-2016:2600";
yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
if (!empty_or_null(yum_report))
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
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", cpu:"s390x", reference:"squid-3.5.20-2.el7")) flag++;
if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"squid-3.5.20-2.el7")) flag++;
if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"squid-debuginfo-3.5.20-2.el7")) flag++;
if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"squid-debuginfo-3.5.20-2.el7")) flag++;
if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"squid-migration-script-3.5.20-2.el7")) flag++;
if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"squid-migration-script-3.5.20-2.el7")) flag++;
if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"squid-sysvinit-3.5.20-2.el7")) flag++;
if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"squid-sysvinit-3.5.20-2.el7")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
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, "squid / squid-debuginfo / squid-migration-script / squid-sysvinit");
}
}
Vendor | Product | Version | CPE |
---|---|---|---|
redhat | enterprise_linux | squid | p-cpe:/a:redhat:enterprise_linux:squid |
redhat | enterprise_linux | squid-debuginfo | p-cpe:/a:redhat:enterprise_linux:squid-debuginfo |
redhat | enterprise_linux | squid-migration-script | p-cpe:/a:redhat:enterprise_linux:squid-migration-script |
redhat | enterprise_linux | squid-sysvinit | p-cpe:/a:redhat:enterprise_linux:squid-sysvinit |
redhat | enterprise_linux | 7 | cpe:/o:redhat:enterprise_linux:7 |
redhat | enterprise_linux | 7.3 | cpe:/o:redhat:enterprise_linux:7.3 |
redhat | enterprise_linux | 7.4 | cpe:/o:redhat:enterprise_linux:7.4 |
redhat | enterprise_linux | 7.5 | cpe:/o:redhat:enterprise_linux:7.5 |
redhat | enterprise_linux | 7.6 | cpe:/o:redhat:enterprise_linux:7.6 |
redhat | enterprise_linux | 7.7 | cpe:/o:redhat:enterprise_linux:7.7 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2569
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2570
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2571
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2572
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3948
access.redhat.com/errata/RHSA-2016:2600
access.redhat.com/security/cve/cve-2016-2569
access.redhat.com/security/cve/cve-2016-2570
access.redhat.com/security/cve/cve-2016-2571
access.redhat.com/security/cve/cve-2016-2572
access.redhat.com/security/cve/cve-2016-3948