The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.
oniguruma: integer overflow in search_in_range function in regexec.c leads to out-of-bounds read (CVE-2019-19012)
An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A stack out-of-bounds read occurs in match_at() during regular expression searching. A logical error involving order of validation and access in match_at() could result in an out-of-bounds read from a stack buffer. (CVE-2017-9224)
An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A heap out-of-bounds write or read occurs in next_state_val() during regular expression compilation. Octal numbers larger than 0xff are not handled correctly in fetch_token() and fetch_token_in_cc(). A malformed regular expression containing an octal number in the form of ‘\700’ would produce an invalid code point value larger than 0xff in next_state_val(), resulting in an out-of-bounds write memory corruption. (CVE-2017-9226)
An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A stack out-of-bounds read occurs in mbc_enc_len() during regular expression searching.
Invalid handling of reg->dmin in forward_search_range() could result in an invalid pointer dereference, as an out-of-bounds read from a stack buffer. (CVE-2017-9227)
An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A heap out-of-bounds write occurs in bitset_set_range() during regular expression compilation due to an uninitialized variable from an incorrect state transition. An incorrect state transition in parse_char_class() could create an execution path that leaves a critical local variable uninitialized until it’s used as an index, resulting in an out-of-bounds write memory corruption.
(CVE-2017-9228)
An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation.
Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition. (CVE-2017-9229)
A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause information disclosure, denial of service, or possibly code execution by providing a crafted regular expression. The attacker provides a pair of a regex pattern and a string, with a multi-byte encoding that gets handled by onig_new_deluxe(). Oniguruma issues often affect Ruby, as well as common optional libraries for PHP and Rust. (CVE-2019-13224)
Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c.
(CVE-2019-16163)
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string.
This leads to a heap-based buffer over-read. (CVE-2019-19203)
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read. (CVE-2019-19204)
Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Further investigation showed that it was not a security issue. Notes: none (CVE-2020-26159)
Note that Nessus has not tested for these issues but has instead relied on the package manager’s report that the package is installed.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory oniguruma. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(196720);
script_version("1.0");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/11");
script_cve_id(
"CVE-2017-9224",
"CVE-2017-9226",
"CVE-2017-9227",
"CVE-2017-9228",
"CVE-2017-9229",
"CVE-2019-13224",
"CVE-2019-16163",
"CVE-2019-19012",
"CVE-2019-19203",
"CVE-2019-19204",
"CVE-2020-26159"
);
script_name(english:"RHEL 5 : oniguruma (Unpatched Vulnerability)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat 5 host is affected by multiple vulnerabilities that will not be patched.");
script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by multiple
vulnerabilities that have been acknowledged by the vendor but will not be patched.
- oniguruma: integer overflow in search_in_range function in regexec.c leads to out-of-bounds read
(CVE-2019-19012)
- An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in
PHP through 7.1.5. A stack out-of-bounds read occurs in match_at() during regular expression searching. A
logical error involving order of validation and access in match_at() could result in an out-of-bounds read
from a stack buffer. (CVE-2017-9224)
- An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in
PHP through 7.1.5. A heap out-of-bounds write or read occurs in next_state_val() during regular expression
compilation. Octal numbers larger than 0xff are not handled correctly in fetch_token() and
fetch_token_in_cc(). A malformed regular expression containing an octal number in the form of '\700' would
produce an invalid code point value larger than 0xff in next_state_val(), resulting in an out-of-bounds
write memory corruption. (CVE-2017-9226)
- An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in
PHP through 7.1.5. A stack out-of-bounds read occurs in mbc_enc_len() during regular expression searching.
Invalid handling of reg->dmin in forward_search_range() could result in an invalid pointer dereference, as
an out-of-bounds read from a stack buffer. (CVE-2017-9227)
- An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in
PHP through 7.1.5. A heap out-of-bounds write occurs in bitset_set_range() during regular expression
compilation due to an uninitialized variable from an incorrect state transition. An incorrect state
transition in parse_char_class() could create an execution path that leaves a critical local variable
uninitialized until it's used as an index, resulting in an out-of-bounds write memory corruption.
(CVE-2017-9228)
- An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in
PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation.
Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference,
normally as an immediate denial-of-service condition. (CVE-2017-9229)
- A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause
information disclosure, denial of service, or possibly code execution by providing a crafted regular
expression. The attacker provides a pair of a regex pattern and a string, with a multi-byte encoding that
gets handled by onig_new_deluxe(). Oniguruma issues often affect Ruby, as well as common optional
libraries for PHP and Rust. (CVE-2019-13224)
- Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c.
(CVE-2019-16163)
- An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file
gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string.
This leads to a heap-based buffer over-read. (CVE-2019-19203)
- An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier
(formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This
leads to a heap-based buffer over-read. (CVE-2019-19204)
- Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Further investigation showed that it
was not a security issue. Notes: none (CVE-2020-26159)
Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package
is installed.");
script_set_attribute(attribute:"solution", value:
"The vendor has acknowledged the vulnerabilities but no solution has been provided. Refer to the vendor for remediation
guidance.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
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:H/I:H/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-2019-19012");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vendor_unpatched", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/05/22");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/05/11");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:5");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:oniguruma");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:php");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:php53");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby");
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) 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("global_settings/vendor_unpatched"))
exit(0, "Unpatched Vulnerabilities Detection not active.");
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: '5')) audit(AUDIT_OS_NOT, 'Red Hat 5.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 = [
{
'pkgs': [
{'reference':'php', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'unpatched_pkg':'php', 'cves':['CVE-2017-9224', 'CVE-2017-9226', 'CVE-2017-9227', 'CVE-2017-9228', 'CVE-2017-9229', 'CVE-2019-13224', 'CVE-2019-16163', 'CVE-2019-19012', 'CVE-2019-19204', 'CVE-2020-26159']},
{'reference':'php53', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'unpatched_pkg':'php53'},
{'reference':'ruby', 'release':'5', 'rpm_spec_vers_cmp':TRUE, 'unpatched_pkg':'ruby', 'cves':['CVE-2017-9224', 'CVE-2017-9226', 'CVE-2017-9227', 'CVE-2017-9228', 'CVE-2017-9229']}
]
}
];
var flag = 0;
foreach var constraint_array ( constraints ) {
var repo_relative_urls = NULL;
var enterprise_linux_flag = rhel_repo_urls_has_content_dist_rhel(repo_urls:repo_relative_urls);
foreach var pkg ( constraint_array['pkgs'] ) {
var unpatched_pkg = NULL;
var _release = NULL;
var sp = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var exists_check = NULL;
var cves = NULL;
if (!empty_or_null(pkg['unpatched_pkg'])) unpatched_pkg = pkg['unpatched_pkg'];
if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
if (unpatched_pkg &&
_release &&
(!exists_check || rpm_exists(release:_release, rpm:exists_check)) &&
unpatched_package_exists(release:_release, package:unpatched_pkg, cves: cves)) flag++;
}
}
if (flag)
{
var extra = NULL;
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : unpatched_packages_report()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'php / php53 / ruby');
}
Vendor | Product | Version | CPE |
---|---|---|---|
redhat | enterprise_linux | 5 | cpe:/o:redhat:enterprise_linux:5 |
redhat | enterprise_linux | 6 | cpe:/o:redhat:enterprise_linux:6 |
redhat | enterprise_linux | 7 | cpe:/o:redhat:enterprise_linux:7 |
redhat | enterprise_linux | oniguruma | p-cpe:/a:redhat:enterprise_linux:oniguruma |
redhat | enterprise_linux | php | p-cpe:/a:redhat:enterprise_linux:php |
redhat | enterprise_linux | php53 | p-cpe:/a:redhat:enterprise_linux:php53 |
redhat | enterprise_linux | ruby | p-cpe:/a:redhat:enterprise_linux:ruby |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9224
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9226
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9227
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9228
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9229
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13224
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16163
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19012
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19203
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19204
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26159