5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.8 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.2%
The remote host is missing an update for the Huawei EulerOS
# SPDX-FileCopyrightText: 2020 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.1.2.2017.1238");
script_cve_id("CVE-2017-9047");
script_tag(name:"creation_date", value:"2020-01-23 11:00:23 +0000 (Thu, 23 Jan 2020)");
script_version("2024-02-05T14:36:55+0000");
script_tag(name:"last_modification", value:"2024-02-05 14:36:55 +0000 (Mon, 05 Feb 2024)");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2017-05-26 13:12:48 +0000 (Fri, 26 May 2017)");
script_name("Huawei EulerOS: Security Advisory for libxml2 (EulerOS-SA-2017-1238)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2020 Greenbone AG");
script_family("Huawei EulerOS Local Security Checks");
script_dependencies("gb_huawei_euleros_consolidation.nasl");
script_mandatory_keys("ssh/login/euleros", "ssh/login/rpms", re:"ssh/login/release=EULEROS\-2\.0SP2");
script_xref(name:"Advisory-ID", value:"EulerOS-SA-2017-1238");
script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2017-1238");
script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'libxml2' package(s) announced via the EulerOS-SA-2017-1238 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"A buffer overflow was discovered in libxml2 20904-GITv2.9.4-16-g0741801. The function xmlSnprintfElementContent in valid.c is supposed to recursively dump the element content definition into a char buffer 'buf' of size 'size'. The variable len is assigned strlen(buf). If the content->type is XML_ELEMENT_CONTENT_ELEMENT, then (i) the content->prefix is appended to buf (if it actually fits) whereupon (ii) content->name is written to the buffer. However, the check for whether the content->name actually fits also uses 'len' rather than the updated buffer length strlen(buf). This allows us to write about 'size' many bytes beyond the allocated memory. This vulnerability causes programs that use libxml2, such as PHP, to crash.(CVE-2017-9047)");
script_tag(name:"affected", value:"'libxml2' package(s) on Huawei EulerOS V2.0SP2.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
release = rpm_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "EULEROS-2.0SP2") {
if(!isnull(res = isrpmvuln(pkg:"libxml2", rpm:"libxml2~2.9.1~6.3.h3", rls:"EULEROS-2.0SP2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libxml2-devel", rpm:"libxml2-devel~2.9.1~6.3.h3", rls:"EULEROS-2.0SP2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libxml2-python", rpm:"libxml2-python~2.9.1~6.3.h3", rls:"EULEROS-2.0SP2"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.8 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.2%