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
8.7 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access 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
0.01 Low
EPSS
Percentile
83.3%
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("1.3.6.1.4.1.25623.1.0.704877");
script_cve_id("CVE-2020-27918", "CVE-2020-29623", "CVE-2021-1765", "CVE-2021-1789", "CVE-2021-1799", "CVE-2021-1801", "CVE-2021-1870", "CVE-2021-21806");
script_tag(name:"creation_date", value:"2021-03-30 03:00:15 +0000 (Tue, 30 Mar 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:"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:"2021-04-12 14:40:04 +0000 (Mon, 12 Apr 2021)");
script_name("Debian: Security Advisory (DSA-4877-1)");
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-4877-1");
script_xref(name:"URL", value:"https://www.debian.org/security/2021/DSA-4877-1");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4877");
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-4877-1 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-2020-27918
Liu Long discovered that processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2020-29623
Simon Hunt discovered that users may be unable to fully delete their browsing history under some circumstances.
CVE-2021-1765
Eliya Stein discovered that maliciously crafted web content may violate iframe sandboxing policy.
CVE-2021-1789
@S0rryMybad discovered that processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-1799
Gregory Vishnepolsky, Ben Seri and Samy Kamkar discovered that a malicious website may be able to access restricted ports on arbitrary servers.
CVE-2021-1801
Eliya Stein discovered that processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-1870
An anonymous researcher 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 2.30.6-1~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:"2.30.6-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"gir1.2-webkit2-4.0", ver:"2.30.6-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libjavascriptcoregtk-4.0-18", ver:"2.30.6-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libjavascriptcoregtk-4.0-bin", ver:"2.30.6-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libjavascriptcoregtk-4.0-dev", ver:"2.30.6-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libwebkit2gtk-4.0-37", ver:"2.30.6-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libwebkit2gtk-4.0-37-gtk2", ver:"2.30.6-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libwebkit2gtk-4.0-dev", ver:"2.30.6-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libwebkit2gtk-4.0-doc", ver:"2.30.6-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"webkit2gtk-driver", ver:"2.30.6-1~deb10u1", rls:"DEB10"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
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
8.7 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access 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
0.01 Low
EPSS
Percentile
83.3%