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This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.REDHAT-RHSA-2020-3902.NASLHistorySep 30, 2020 - 12:00 a.m.
RHEL 7 : libtiff (RHSA-2020:3902)
2020-09-3000:00:00
This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
18
rhel 7
libtiff
vulnerabilities
rhsa-2020:3902
integer overflow
heap-based buffer overflow
cvss score
red hat enterprise linux 7.9 release notes
CVSS2
6.8
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
8.8
Confidence
High
EPSS
0.015
Percentile
87.1%
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3902 advisory.
The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.
Security Fix(es):
* libtiff: integer overflow in _TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c (CVE-2019-14973)
* libtiff: integer overflow leading to heap-based buffer overflow in tif_getimage.c (CVE-2019-17546)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2020:3902. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(141047);
script_version("1.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/03");
script_cve_id("CVE-2019-14973", "CVE-2019-17546");
script_xref(name:"RHSA", value:"2020:3902");
script_name(english:"RHEL 7 : libtiff (RHSA-2020:3902)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for libtiff.");
script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2020:3902 advisory.
The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF)
files.
Security Fix(es):
* libtiff: integer overflow in _TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c (CVE-2019-14973)
* libtiff: integer overflow leading to heap-based buffer overflow in tif_getimage.c (CVE-2019-17546)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes
linked from the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
# https://access.redhat.com/security/data/csaf/v2/advisories/2020/rhsa-2020_3902.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?bcc2f675");
# https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?dd3afe18");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#moderate");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2020:3902");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1745951");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1765705");
script_set_attribute(attribute:"solution", value:
"Update the RHEL libtiff package based on the guidance in RHSA-2020:3902.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:R/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-2019-17546");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(122, 190);
script_set_attribute(attribute:"vendor_severity", value:"Moderate");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/08/14");
script_set_attribute(attribute:"patch_publication_date", value:"2020/09/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/09/30");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libtiff");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libtiff-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libtiff-static");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libtiff-tools");
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) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");
exit(0);
}
include('rpm.inc');
include('rhel.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
os_ver = os_ver[1];
if (!rhel_check_release(operator: 'ge', os_version: os_ver, rhel_version: '7')) 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);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);
var constraints = [
{
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],
'pkgs': [
{'reference':'libtiff-4.0.3-35.el7', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-4.0.3-35.el7', 'cpu':'ppc', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-4.0.3-35.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-4.0.3-35.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-4.0.3-35.el7', 'cpu':'s390', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-4.0.3-35.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-4.0.3-35.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-devel-4.0.3-35.el7', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-devel-4.0.3-35.el7', 'cpu':'ppc', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-devel-4.0.3-35.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-devel-4.0.3-35.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-devel-4.0.3-35.el7', 'cpu':'s390', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-devel-4.0.3-35.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-devel-4.0.3-35.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-static-4.0.3-35.el7', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-static-4.0.3-35.el7', 'cpu':'ppc', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-static-4.0.3-35.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-static-4.0.3-35.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-static-4.0.3-35.el7', 'cpu':'s390', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-static-4.0.3-35.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-static-4.0.3-35.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-tools-4.0.3-35.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-tools-4.0.3-35.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-tools-4.0.3-35.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libtiff-tools-4.0.3-35.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE}
]
}
];
var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);
var flag = 0;
foreach var constraint_array ( constraints ) {
var repo_relative_urls = NULL;
if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];
foreach var pkg ( constraint_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;
var cves = NULL;
if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
if (reference &&
_release &&
rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
(applicable_repo_urls || (!exists_check || 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, cves:cves)) flag++;
}
}
if (flag)
{
var extra = NULL;
if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
else extra = rpm_report_get();
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : extra
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libtiff / libtiff-devel / libtiff-static / libtiff-tools');
}
References
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14973
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17546
www.nessus.org/u?bcc2f675
www.nessus.org/u?dd3afe18
access.redhat.com/errata/RHSA-2020:3902
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1745951
bugzilla.redhat.com/show_bug.cgi?id=1765705
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gentoo
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libTIFF: Multiple vulnerabilities
2020-03-15 00:00:00
CVSS2
6.8
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
8.8
Confidence
High
EPSS
0.015
Percentile
87.1%
Related for REDHAT-RHSA-2020-3902.NASL