CVSS2
Attack Vector
LOCAL
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:H/Au:N/C:C/I:C/A:C
EPSS
Percentile
17.9%
A flaw was found in the way Postfix dereferences symbolic links. If a local user has write access to a mail spool directory with no root mailbox, it may be possible for them to append arbitrary data to files that root has write permission to. (CVE-2008-2936)
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(60464);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");
script_cve_id("CVE-2008-2936");
script_name(english:"Scientific Linux Security Update : postfix on SL3.x, SL4.x, SL5.x i386/x86_64");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Scientific Linux host is missing one or more security
updates."
);
script_set_attribute(
attribute:"description",
value:
"A flaw was found in the way Postfix dereferences symbolic links. If a
local user has write access to a mail spool directory with no root
mailbox, it may be possible for them to append arbitrary data to files
that root has write permission to. (CVE-2008-2936)"
);
# https://listserv.fnal.gov/scripts/wa.exe?A2=ind0808&L=scientific-linux-errata&T=0&P=1407
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?3d4cd9ca"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected postfix and / or postfix-pflogsumm packages."
);
script_set_cvss_base_vector("CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_cwe_id(264);
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
script_set_attribute(attribute:"vuln_publication_date", value:"2008/08/18");
script_set_attribute(attribute:"patch_publication_date", value:"2008/08/14");
script_set_attribute(attribute:"plugin_publication_date", value:"2012/08/01");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2012-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Scientific Linux Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "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);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
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 (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Scientific Linux", cpu);
flag = 0;
if (rpm_check(release:"SL3", reference:"postfix-2.0.16-14.1.RHEL3")) flag++;
if (rpm_check(release:"SL4", reference:"postfix-2.2.10-1.2.1.el4_7")) flag++;
if (rpm_check(release:"SL4", reference:"postfix-pflogsumm-2.2.10-1.2.1.el4_7")) flag++;
if (rpm_check(release:"SL5", reference:"postfix-2.3.3-2.1.el5_2")) flag++;
if (rpm_check(release:"SL5", reference:"postfix-pflogsumm-2.3.3-2.1.el5_2")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");