The remote host is missing an update for the Debian
# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.0.705236");
script_cve_id("CVE-2022-40674");
script_tag(name:"creation_date", value:"2022-09-24 01:00:04 +0000 (Sat, 24 Sep 2022)");
script_version("2024-02-02T05:06:08+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:08 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"7.6");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/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:"2023-02-01 18:07:06 +0000 (Wed, 01 Feb 2023)");
script_name("Debian: Security Advisory (DSA-5236-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 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=DEB11");
script_xref(name:"Advisory-ID", value:"DSA-5236-1");
script_xref(name:"URL", value:"https://www.debian.org/security/2022/DSA-5236-1");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-5236");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/expat");
script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'expat' package(s) announced via the DSA-5236-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Rhodri James discovered a heap use-after-free vulnerability in the doContent function in Expat, an XML parsing C library, which could result in denial of service or potentially the execution of arbitrary code, if a malformed XML file is processed.
For the stable distribution (bullseye), this problem has been fixed in version 2.2.10-2+deb11u4.
We recommend that you upgrade your expat packages.
For the detailed security status of expat please refer to its security tracker page at: [link moved to references]");
script_tag(name:"affected", value:"'expat' package(s) on Debian 11.");
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 == "DEB11") {
if(!isnull(res = isdpkgvuln(pkg:"expat", ver:"2.2.10-2+deb11u4", rls:"DEB11"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libexpat1", ver:"2.2.10-2+deb11u4", rls:"DEB11"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libexpat1-dev", ver:"2.2.10-2+deb11u4", rls:"DEB11"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libexpat1-udeb", ver:"2.2.10-2+deb11u4", rls:"DEB11"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);