8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.2 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.004 Low
EPSS
Percentile
74.4%
The remote host is missing an update for the Debian
# 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("1.3.6.1.4.1.25623.1.0.704945");
script_cve_id("CVE-2021-21775", "CVE-2021-21779", "CVE-2021-30663", "CVE-2021-30665", "CVE-2021-30689", "CVE-2021-30720", "CVE-2021-30734", "CVE-2021-30744", "CVE-2021-30749", "CVE-2021-30758", "CVE-2021-30795", "CVE-2021-30797", "CVE-2021-30799");
script_tag(name:"creation_date", value:"2021-07-30 03:00:16 +0000 (Fri, 30 Jul 2021)");
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:"9.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-09-15 19:45:31 +0000 (Wed, 15 Sep 2021)");
script_name("Debian: Security Advisory (DSA-4945-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 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-4945-1");
script_xref(name:"URL", value:"https://www.debian.org/security/2021/DSA-4945-1");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4945");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/webkit2gtk");
script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'webkit2gtk' package(s) announced via the DSA-4945-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"The following vulnerabilities have been discovered in the webkit2gtk web engine:
CVE-2021-21775
Marcin Towalski discovered that a specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.
CVE-2021-21779
Marcin Towalski discovered that a specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.
CVE-2021-30663
An anonymous researcher discovered that processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-30665
yangkang discovered that processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
CVE-2021-30689
An anonymous researcher discovered that processing maliciously crafted web content may lead to universal cross site scripting.
CVE-2021-30720
David Schutz discovered that a malicious website may be able to access restricted ports on arbitrary servers.
CVE-2021-30734
Jack Dates discovered that processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-30744
Dan Hite discovered that processing maliciously crafted web content may lead to universal cross site scripting.
CVE-2021-30749
An anonymous researcher discovered that processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-30758
Christoph Guttandin discovered that processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-30795
Sergei Glazunov discovered that processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-30797
Ivan Fratric discovered that processing maliciously crafted web content may lead to code execution.
CVE-2021-30799
Sergei Glazunov discovered that processing maliciously crafted web content may lead to arbitrary code execution.
For the stable distribution (buster), these problems have been fixed in version 2.32.3-1~deb10u1.
We recommend that you upgrade your webkit2gtk packages.
For the detailed security status of webkit2gtk please refer to its security tracker page at: [link moved to references]");
script_tag(name:"affected", value:"'webkit2gtk' 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:"gir1.2-javascriptcoregtk-4.0", ver:"2.32.3-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"gir1.2-webkit2-4.0", ver:"2.32.3-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libjavascriptcoregtk-4.0-18", ver:"2.32.3-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libjavascriptcoregtk-4.0-bin", ver:"2.32.3-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libjavascriptcoregtk-4.0-dev", ver:"2.32.3-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libwebkit2gtk-4.0-37", ver:"2.32.3-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libwebkit2gtk-4.0-37-gtk2", ver:"2.32.3-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libwebkit2gtk-4.0-dev", ver:"2.32.3-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libwebkit2gtk-4.0-doc", ver:"2.32.3-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"webkit2gtk-driver", ver:"2.32.3-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.2 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.004 Low
EPSS
Percentile
74.4%