Huawei EulerOS: Security Advisory for python2 (EulerOS-SA-2020-1044)

# 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("1.3.6.1.4.1.25623.1.1.2.2020.1044");
  script_cve_id("CVE-2018-20852", "CVE-2019-16056", "CVE-2019-16935", "CVE-2019-17514");
  script_tag(name:"creation_date", value:"2020-01-23 13:18:00 +0000 (Thu, 23 Jan 2020)");
  script_version("2024-02-05T14:36:56+0000");
  script_tag(name:"last_modification", value:"2024-02-05 14:36:56 +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:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-10-22 19:19:48 +0000 (Tue, 22 Oct 2019)");

  script_name("Huawei EulerOS: Security Advisory for python2 (EulerOS-SA-2020-1044)");
  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=EULEROSVIRTARM64\-3\.0\.5\.0");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2020-1044");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2020-1044");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'python2' package(s) announced via the EulerOS-SA-2020-1044 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"An issue was discovered in Python through 2.7.16, 3.x through 3.5.7, 3.6.x through 3.6.9, and 3.7.x through 3.7.4. The email module wrongly parses email addresses that contain multiple @ characters. An application that uses the email module and implements some kind of checks on the From/To headers of a message could be tricked into accepting an email address that should be denied. An attack may be the same as in CVE-2019-11340, however, this CVE applies to Python more generally.(CVE-2019-16056)

http.cookiejar.DefaultPolicy.domain_return_ok in Lib/http/cookiejar.py in Python before 3.7.3 does not correctly validate the domain: it can be tricked into sending existing cookies to the wrong server. An attacker may abuse this flaw by using a server with a hostname that has another valid hostname as a suffix (e.g., pythonicexample.com to steal cookies for example.com). When a program uses http.cookiejar.DefaultPolicy and tries to do an HTTP connection to an attacker-controlled server, existing cookies can be leaked to the attacker. This affects 2.x through 2.7.16, 3.x before 3.4.10, 3.5.x before 3.5.7, 3.6.x before 3.6.9, and 3.7.x before 3.7.3.(CVE-2018-20852)

The documentation XML-RPC server in Python through 2.7.16, 3.x through 3.6.9, and 3.7.x through 3.7.4 has XSS via the server_title field. This occurs in Lib/DocXMLRPCServer.py in Python 2.x, and in Lib/xmlrpc/server.py in Python 3.x. If set_server_title is called with untrusted input, arbitrary JavaScript can be delivered to clients that visit the http URL for this server.(CVE-2019-16935)

library/glob.html in the Python 2 and 3 documentation before 2016 has potentially misleading information about whether sorting occurs, as demonstrated by irreproducible cancer-research results. NOTE: the effects of this documentation cross application domains, and thus it is likely that security-relevant code elsewhere is affected. This issue is not a Python implementation bug, and there are no reports that NMR researchers were specifically relying on library/glob.html. In other words, because the older documentation stated 'finds all the pathnames matching a specified pattern according to the rules used by the Unix shell' one might have incorrectly inferred that the sorting that occurs in a Unix shell also occurred for glob.glob. There is a workaround in newer versions of Willoughby nmr-data_compilation-p2.py and nmr-data_compilation-p3.py, which call sort() directly.(CVE-2019-17514)");

  script_tag(name:"affected", value:"'python2' package(s) on Huawei EulerOS Virtualization for ARM 64 3.0.5.0.");

  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 == "EULEROSVIRTARM64-3.0.5.0") {

  if(!isnull(res = isrpmvuln(pkg:"python-unversioned-command", rpm:"python-unversioned-command~2.7.15~10.h18.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"python2", rpm:"python2~2.7.15~10.h18.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"python2-devel", rpm:"python2-devel~2.7.15~10.h18.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"python2-libs", rpm:"python2-libs~2.7.15~10.h18.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);