CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
EPSS
Percentile
87.6%
The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2011-0616 advisory.
libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message. (CVE-2011-1091)
cipher.c in the Cipher API in libpurple in Pidgin before 2.7.10 retains encryption-key data in process memory, which might allow local users to obtain sensitive information by reading a core file or other representation of memory contents. (CVE-2011-4922)
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2011-0616.
##
include('compat.inc');
if (description)
{
script_id(181064);
script_version("1.0");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/09/07");
script_cve_id("CVE-2011-1091", "CVE-2011-4922");
script_name(english:"Oracle Linux 6 : pidgin (ELSA-2011-0616)");
script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the
ELSA-2011-0616 advisory.
- libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote
authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a
malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service
(NULL pointer dereference and application crash) via a malformed YMSG SMS message. (CVE-2011-1091)
- cipher.c in the Cipher API in libpurple in Pidgin before 2.7.10 retains encryption-key data in process
memory, which might allow local users to obtain sensitive information by reading a core file or other
representation of memory contents. (CVE-2011-4922)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://linux.oracle.com/errata/ELSA-2011-0616.html");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:POC/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:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2011-4922");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2011-1091");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2011/02/06");
script_set_attribute(attribute:"patch_publication_date", value:"2011/05/28");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/09/07");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:6");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:finch");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:finch-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libpurple");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libpurple-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libpurple-perl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libpurple-tcl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:pidgin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:pidgin-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:pidgin-docs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:pidgin-perl");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Oracle Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/local_checks_enabled");
exit(0);
}
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');
var os_release = get_kb_item("Host/RedHat/release");
if (isnull(os_release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:os_release)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
os_ver = os_ver[1];
if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Oracle Linux 6', 'Oracle Linux ' + os_ver);
if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Oracle Linux', cpu);
var pkgs = [
{'reference':'finch-2.7.9-3.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'finch-devel-2.7.9-3.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libpurple-2.7.9-3.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libpurple-devel-2.7.9-3.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libpurple-perl-2.7.9-3.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libpurple-tcl-2.7.9-3.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'pidgin-2.7.9-3.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'pidgin-devel-2.7.9-3.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'pidgin-docs-2.7.9-3.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'pidgin-perl-2.7.9-3.el6', 'cpu':'i686', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'finch-2.7.9-3.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'finch-devel-2.7.9-3.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libpurple-2.7.9-3.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libpurple-devel-2.7.9-3.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libpurple-perl-2.7.9-3.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libpurple-tcl-2.7.9-3.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'pidgin-2.7.9-3.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'pidgin-devel-2.7.9-3.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'pidgin-docs-2.7.9-3.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE},
{'reference':'pidgin-perl-2.7.9-3.el6', 'cpu':'x86_64', 'release':'6', 'rpm_spec_vers_cmp':TRUE}
];
var flag = 0;
foreach var package_array ( pkgs ) {
var reference = NULL;
var _release = NULL;
var sp = NULL;
var _cpu = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var epoch = NULL;
var allowmaj = NULL;
var exists_check = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) _release = 'EL' + package_array['release'];
if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
if (reference && _release) {
if (exists_check) {
if (rpm_exists(release:_release, rpm:exists_check) && rpm_check(release:_release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
} else {
if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
}
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_NOTE,
extra : rpm_report_get()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'finch / finch-devel / libpurple / etc');
}