7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9 High
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
79.4%
The remote host is missing an update for the Debian
# SPDX-FileCopyrightText: 2017 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("1.3.6.1.4.1.25623.1.0.703789");
script_cve_id("CVE-2016-10195", "CVE-2016-10196", "CVE-2016-10197");
script_tag(name:"creation_date", value:"2017-02-14 23:00:00 +0000 (Tue, 14 Feb 2017)");
script_version("2024-02-02T05:06:06+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:06 +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:"2017-03-21 14:29:54 +0000 (Tue, 21 Mar 2017)");
script_name("Debian: Security Advisory (DSA-3789-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone AG");
script_family("Debian Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages", re:"ssh/login/release=DEB8");
script_xref(name:"Advisory-ID", value:"DSA-3789-1");
script_xref(name:"URL", value:"https://www.debian.org/security/2017/DSA-3789-1");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-3789");
script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'libevent' package(s) announced via the DSA-3789-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Several vulnerabilities were discovered in libevent, an asynchronous event notification library. They would lead to Denial Of Service via application crash, or remote code execution.
For the stable distribution (jessie), these problems have been fixed in version 2.0.21-stable-2+deb8u1.
For the unstable distribution (sid), these problems have been fixed in version 2.0.21-stable-3.
We recommend that you upgrade your libevent packages.");
script_tag(name:"affected", value:"'libevent' package(s) on Debian 8.");
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-deb.inc");
release = dpkg_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "DEB8") {
if(!isnull(res = isdpkgvuln(pkg:"libevent-2.0-5", ver:"2.0.21-stable-2+deb8u1", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libevent-core-2.0-5", ver:"2.0.21-stable-2+deb8u1", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libevent-dbg", ver:"2.0.21-stable-2+deb8u1", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libevent-dev", ver:"2.0.21-stable-2+deb8u1", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libevent-extra-2.0-5", ver:"2.0.21-stable-2+deb8u1", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libevent-openssl-2.0-5", ver:"2.0.21-stable-2+deb8u1", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libevent-pthreads-2.0-5", ver:"2.0.21-stable-2+deb8u1", rls:"DEB8"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9 High
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
79.4%