CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
AI Score
Confidence
High
EPSS
Percentile
17.6%
The remote host is missing an update for the Debian
# 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("1.3.6.1.4.1.25623.1.0.704808");
script_cve_id("CVE-2020-27350");
script_tag(name:"creation_date", value:"2020-12-11 04:00:07 +0000 (Fri, 11 Dec 2020)");
script_version("2024-02-02T05:06:07+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:07 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"4.6");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-12-14 15:09:26 +0000 (Mon, 14 Dec 2020)");
script_name("Debian: Security Advisory (DSA-4808-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2020 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=DEB10");
script_xref(name:"Advisory-ID", value:"DSA-4808-1");
script_xref(name:"URL", value:"https://www.debian.org/security/2020/DSA-4808-1");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4808");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/apt");
script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'apt' package(s) announced via the DSA-4808-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"It was discovered that missing input validation in the ar/tar implementations of APT, the high level package manager, could cause out-of-bounds reads or infinite loops, resulting in denial of service when processing malformed deb files.
For the stable distribution (buster), this problem has been fixed in version 1.8.2.2.
We recommend that you upgrade your apt packages.
For the detailed security status of apt please refer to its security tracker page at: [link moved to references]");
script_tag(name:"affected", value:"'apt' package(s) on Debian 10.");
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 == "DEB10") {
if(!isnull(res = isdpkgvuln(pkg:"apt", ver:"1.8.2.2", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"apt-doc", ver:"1.8.2.2", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"apt-transport-https", ver:"1.8.2.2", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"apt-utils", ver:"1.8.2.2", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libapt-inst2.0", ver:"1.8.2.2", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libapt-pkg-dev", ver:"1.8.2.2", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libapt-pkg-doc", ver:"1.8.2.2", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libapt-pkg5.0", ver:"1.8.2.2", rls:"DEB10"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
AI Score
Confidence
High
EPSS
Percentile
17.6%