The remote host is missing an update for the
# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.1.4.2020.1922.1");
script_cve_id("CVE-2017-18922", "CVE-2018-21247", "CVE-2019-20839", "CVE-2019-20840", "CVE-2020-14397", "CVE-2020-14398", "CVE-2020-14399", "CVE-2020-14400", "CVE-2020-14401", "CVE-2020-14402");
script_tag(name:"creation_date", value:"2021-06-09 14:56:59 +0000 (Wed, 09 Jun 2021)");
script_version("2024-02-02T14:37:50+0000");
script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"7.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-07-06 19:14:21 +0000 (Mon, 06 Jul 2020)");
script_name("SUSE: Security Advisory (SUSE-SU-2020:1922-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone AG");
script_family("SuSE Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES15\.0SP1|SLES15\.0SP2)");
script_xref(name:"Advisory-ID", value:"SUSE-SU-2020:1922-1");
script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2020/suse-su-20201922-1/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'LibVNCServer' package(s) announced via the SUSE-SU-2020:1922-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"This update for LibVNCServer fixes the following issues:
security update
added patches fix CVE-2018-21247 [bsc#1173874], uninitialized memory
contents are vulnerable to Information leak
+ LibVNCServer-CVE-2018-21247.patch fix CVE-2019-20839 [bsc#1173875],
buffer overflow in ConnectClientToUnixSock()
+ LibVNCServer-CVE-2019-20839.patch fix CVE-2019-20840 [bsc#1173876],
unaligned accesses in hybiReadAndDecode can lead to denial of service
+ LibVNCServer-CVE-2019-20840.patch fix CVE-2020-14398 [bsc#1173880],
improperly closed TCP connection causes an infinite loop in
libvncclient/sockets.c
+ LibVNCServer-CVE-2020-14398.patch fix CVE-2020-14397 [bsc#1173700],
NULL pointer dereference in libvncserver/rfbregion.c
+ LibVNCServer-CVE-2020-14397.patch fix CVE-2020-14399 [bsc#1173743],
Byte-aligned data is accessed through uint32_t pointers in
libvncclient/rfbproto.c.
+ LibVNCServer-CVE-2020-14399.patch fix CVE-2020-14400 [bsc#1173691],
Byte-aligned data is accessed through uint16_t pointers in
libvncserver/translate.c.
+ LibVNCServer-CVE-2020-14400.patch fix CVE-2020-14401 [bsc#1173694],
potential integer overflows in libvncserver/scale.c
+ LibVNCServer-CVE-2020-14401.patch fix CVE-2020-14402 [bsc#1173701],
out-of-bounds access via encodings.
+ LibVNCServer-CVE-2020-14402,14403,14404.patch fix CVE-2017-18922
[bsc#1173477], preauth buffer overwrite");
script_tag(name:"affected", value:"'LibVNCServer' package(s) on SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP1, SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2, SUSE Linux Enterprise Workstation Extension 15-SP1, SUSE Linux Enterprise Workstation Extension 15-SP2.");
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 == "SLES15.0SP1") {
if(!isnull(res = isrpmvuln(pkg:"LibVNCServer-debugsource", rpm:"LibVNCServer-debugsource~0.9.10~4.22.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libvncserver0", rpm:"libvncserver0~0.9.10~4.22.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libvncserver0-debuginfo", rpm:"libvncserver0-debuginfo~0.9.10~4.22.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "SLES15.0SP2") {
if(!isnull(res = isrpmvuln(pkg:"LibVNCServer-debugsource", rpm:"LibVNCServer-debugsource~0.9.10~4.22.1", rls:"SLES15.0SP2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libvncserver0", rpm:"libvncserver0~0.9.10~4.22.1", rls:"SLES15.0SP2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libvncserver0-debuginfo", rpm:"libvncserver0-debuginfo~0.9.10~4.22.1", rls:"SLES15.0SP2"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);