CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
72.5%
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1514 advisory.
OpenJDK: Misplaced regular expression syntax error check in RegExpScanner (Scripting, 8223898) (CVE-2020-2754)
OpenJDK: Incorrect handling of empty string nodes in regular expression Parser (Scripting, 8223904) (CVE-2020-2755)
OpenJDK: Incorrect handling of references to uninitialized class descriptors during deserialization (Serialization, 8224541) (CVE-2020-2756)
OpenJDK: Uncaught InstantiationError exception in ObjectStreamClass (Serialization, 8224549) (CVE-2020-2757)
OpenJDK: Incorrect handling of Certificate messages during TLS handshake (JSSE, 8232581) (CVE-2020-2767)
OpenJDK: Unexpected exceptions raised by DOMKeyInfoFactory and DOMXMLSignatureFactory (Security, 8231415) (CVE-2020-2773)
OpenJDK: Incomplete enforcement of algorithm restrictions for TLS (JSSE, 8232424) (CVE-2020-2778)
OpenJDK: Re-use of single TLS session for new connections (JSSE, 8234408) (CVE-2020-2781)
OpenJDK: CRLF injection into HTTP headers in HttpServer (Lightweight HTTP Server, 8234825) (CVE-2020-2800)
OpenJDK: Incorrect bounds checks in NIO Buffers (Libraries, 8234841) (CVE-2020-2803)
OpenJDK: Incorrect type checks in MethodType.readObject() (Libraries, 8235274) (CVE-2020-2805)
OpenJDK: Application data accepted before TLS handshake completion (JSSE, 8235691) (CVE-2020-2816)
OpenJDK: Regular expression DoS in Scanner (Concurrency, 8236201) (CVE-2020-2830)
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-2020:1514. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(135861);
script_version("1.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/24");
script_cve_id(
"CVE-2020-2754",
"CVE-2020-2755",
"CVE-2020-2756",
"CVE-2020-2757",
"CVE-2020-2767",
"CVE-2020-2773",
"CVE-2020-2778",
"CVE-2020-2781",
"CVE-2020-2800",
"CVE-2020-2803",
"CVE-2020-2805",
"CVE-2020-2816",
"CVE-2020-2830"
);
script_xref(name:"RHSA", value:"2020:1514");
script_name(english:"RHEL 8 : java-11-openjdk (RHSA-2020:1514)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for java-11-openjdk.");
script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2020:1514 advisory.
- OpenJDK: Misplaced regular expression syntax error check in RegExpScanner (Scripting, 8223898)
(CVE-2020-2754)
- OpenJDK: Incorrect handling of empty string nodes in regular expression Parser (Scripting, 8223904)
(CVE-2020-2755)
- OpenJDK: Incorrect handling of references to uninitialized class descriptors during deserialization
(Serialization, 8224541) (CVE-2020-2756)
- OpenJDK: Uncaught InstantiationError exception in ObjectStreamClass (Serialization, 8224549)
(CVE-2020-2757)
- OpenJDK: Incorrect handling of Certificate messages during TLS handshake (JSSE, 8232581) (CVE-2020-2767)
- OpenJDK: Unexpected exceptions raised by DOMKeyInfoFactory and DOMXMLSignatureFactory (Security, 8231415)
(CVE-2020-2773)
- OpenJDK: Incomplete enforcement of algorithm restrictions for TLS (JSSE, 8232424) (CVE-2020-2778)
- OpenJDK: Re-use of single TLS session for new connections (JSSE, 8234408) (CVE-2020-2781)
- OpenJDK: CRLF injection into HTTP headers in HttpServer (Lightweight HTTP Server, 8234825) (CVE-2020-2800)
- OpenJDK: Incorrect bounds checks in NIO Buffers (Libraries, 8234841) (CVE-2020-2803)
- OpenJDK: Incorrect type checks in MethodType.readObject() (Libraries, 8235274) (CVE-2020-2805)
- OpenJDK: Application data accepted before TLS handshake completion (JSSE, 8235691) (CVE-2020-2816)
- OpenJDK: Regular expression DoS in Scanner (Concurrency, 8236201) (CVE-2020-2830)
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_1514.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7b7bcc1a");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2020:1514");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823199");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823200");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823215");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823216");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823224");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823527");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823542");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823694");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823844");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823853");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823879");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823947");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1823960");
script_set_attribute(attribute:"solution", value:
"Update the RHEL java-11-openjdk package based on the guidance in RHSA-2020:1514.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/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-2020-2800");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-2805");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(20, 113, 119, 248, 327, 358, 400);
script_set_attribute(attribute:"vendor_severity", value:"Important");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/04/14");
script_set_attribute(attribute:"patch_publication_date", value:"2020/04/21");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/21");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:java-11-openjdk");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-demo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-headless");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-javadoc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-javadoc-zip");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-jmods");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-src");
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: '8')) audit(AUDIT_OS_NOT, 'Red Hat 8.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 = [
{
'repo_relative_urls': [
'content/dist/rhel8/8.10/aarch64/appstream/debug',
'content/dist/rhel8/8.10/aarch64/appstream/os',
'content/dist/rhel8/8.10/aarch64/appstream/source/SRPMS',
'content/dist/rhel8/8.10/ppc64le/appstream/debug',
'content/dist/rhel8/8.10/ppc64le/appstream/os',
'content/dist/rhel8/8.10/ppc64le/appstream/source/SRPMS',
'content/dist/rhel8/8.10/s390x/appstream/debug',
'content/dist/rhel8/8.10/s390x/appstream/os',
'content/dist/rhel8/8.10/s390x/appstream/source/SRPMS',
'content/dist/rhel8/8.10/x86_64/appstream/debug',
'content/dist/rhel8/8.10/x86_64/appstream/os',
'content/dist/rhel8/8.10/x86_64/appstream/source/SRPMS',
'content/dist/rhel8/8.6/aarch64/appstream/debug',
'content/dist/rhel8/8.6/aarch64/appstream/os',
'content/dist/rhel8/8.6/aarch64/appstream/source/SRPMS',
'content/dist/rhel8/8.6/ppc64le/appstream/debug',
'content/dist/rhel8/8.6/ppc64le/appstream/os',
'content/dist/rhel8/8.6/ppc64le/appstream/source/SRPMS',
'content/dist/rhel8/8.6/s390x/appstream/debug',
'content/dist/rhel8/8.6/s390x/appstream/os',
'content/dist/rhel8/8.6/s390x/appstream/source/SRPMS',
'content/dist/rhel8/8.6/x86_64/appstream/debug',
'content/dist/rhel8/8.6/x86_64/appstream/os',
'content/dist/rhel8/8.6/x86_64/appstream/source/SRPMS',
'content/dist/rhel8/8.8/aarch64/appstream/debug',
'content/dist/rhel8/8.8/aarch64/appstream/os',
'content/dist/rhel8/8.8/aarch64/appstream/source/SRPMS',
'content/dist/rhel8/8.8/ppc64le/appstream/debug',
'content/dist/rhel8/8.8/ppc64le/appstream/os',
'content/dist/rhel8/8.8/ppc64le/appstream/source/SRPMS',
'content/dist/rhel8/8.8/s390x/appstream/debug',
'content/dist/rhel8/8.8/s390x/appstream/os',
'content/dist/rhel8/8.8/s390x/appstream/source/SRPMS',
'content/dist/rhel8/8.8/x86_64/appstream/debug',
'content/dist/rhel8/8.8/x86_64/appstream/os',
'content/dist/rhel8/8.8/x86_64/appstream/source/SRPMS',
'content/dist/rhel8/8.9/aarch64/appstream/debug',
'content/dist/rhel8/8.9/aarch64/appstream/os',
'content/dist/rhel8/8.9/aarch64/appstream/source/SRPMS',
'content/dist/rhel8/8.9/ppc64le/appstream/debug',
'content/dist/rhel8/8.9/ppc64le/appstream/os',
'content/dist/rhel8/8.9/ppc64le/appstream/source/SRPMS',
'content/dist/rhel8/8.9/s390x/appstream/debug',
'content/dist/rhel8/8.9/s390x/appstream/os',
'content/dist/rhel8/8.9/s390x/appstream/source/SRPMS',
'content/dist/rhel8/8.9/x86_64/appstream/debug',
'content/dist/rhel8/8.9/x86_64/appstream/os',
'content/dist/rhel8/8.9/x86_64/appstream/source/SRPMS',
'content/dist/rhel8/8/aarch64/appstream/debug',
'content/dist/rhel8/8/aarch64/appstream/os',
'content/dist/rhel8/8/aarch64/appstream/source/SRPMS',
'content/dist/rhel8/8/ppc64le/appstream/debug',
'content/dist/rhel8/8/ppc64le/appstream/os',
'content/dist/rhel8/8/ppc64le/appstream/source/SRPMS',
'content/dist/rhel8/8/s390x/appstream/debug',
'content/dist/rhel8/8/s390x/appstream/os',
'content/dist/rhel8/8/s390x/appstream/source/SRPMS',
'content/dist/rhel8/8/x86_64/appstream/debug',
'content/dist/rhel8/8/x86_64/appstream/os',
'content/dist/rhel8/8/x86_64/appstream/source/SRPMS'
],
'pkgs': [
{'reference':'java-11-openjdk-11.0.7.10-1.el8_1', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'java-11-openjdk-demo-11.0.7.10-1.el8_1', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'java-11-openjdk-devel-11.0.7.10-1.el8_1', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'java-11-openjdk-headless-11.0.7.10-1.el8_1', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'java-11-openjdk-javadoc-11.0.7.10-1.el8_1', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'java-11-openjdk-javadoc-zip-11.0.7.10-1.el8_1', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'java-11-openjdk-jmods-11.0.7.10-1.el8_1', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'java-11-openjdk-src-11.0.7.10-1.el8_1', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'}
]
}
];
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, 'java-11-openjdk / java-11-openjdk-demo / java-11-openjdk-devel / etc');
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2754
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2755
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2756
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2757
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2767
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2773
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2778
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2781
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2800
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2803
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2805
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2816
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2830
www.nessus.org/u?7b7bcc1a
access.redhat.com/errata/RHSA-2020:1514
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1823199
bugzilla.redhat.com/show_bug.cgi?id=1823200
bugzilla.redhat.com/show_bug.cgi?id=1823215
bugzilla.redhat.com/show_bug.cgi?id=1823216
bugzilla.redhat.com/show_bug.cgi?id=1823224
bugzilla.redhat.com/show_bug.cgi?id=1823527
bugzilla.redhat.com/show_bug.cgi?id=1823542
bugzilla.redhat.com/show_bug.cgi?id=1823694
bugzilla.redhat.com/show_bug.cgi?id=1823844
bugzilla.redhat.com/show_bug.cgi?id=1823853
bugzilla.redhat.com/show_bug.cgi?id=1823879
bugzilla.redhat.com/show_bug.cgi?id=1823947
bugzilla.redhat.com/show_bug.cgi?id=1823960
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
72.5%