Ubuntu: Security Advisory (USN-6278-1)

# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.1.12.2023.6278.1");
  script_cve_id("CVE-2023-35390", "CVE-2023-38178", "CVE-2023-38180");
  script_tag(name:"creation_date", value:"2023-08-09 04:08:45 +0000 (Wed, 09 Aug 2023)");
  script_version("2024-08-08T05:05:41+0000");
  script_tag(name:"last_modification", value:"2024-08-08 05:05:41 +0000 (Thu, 08 Aug 2024)");
  script_tag(name:"cvss_base", value:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/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:"2023-08-08 18:15:13 +0000 (Tue, 08 Aug 2023)");

  script_name("Ubuntu: Security Advisory (USN-6278-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 Greenbone AG");
  script_family("Ubuntu Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU23\.04");

  script_xref(name:"Advisory-ID", value:"USN-6278-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-6278-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'dotnet6, dotnet7' package(s) announced via the USN-6278-1 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 .NET did not properly handle the execution
of certain commands. An attacker could possibly use this issue to
achieve remote code execution. (CVE-2023-35390)

Benoit Foucher discovered that .NET did not properly implement the
QUIC stream limit in HTTP/3. An attacker could possibly use this
issue to cause a denial of service. (CVE-2023-38178)

It was discovered that .NET did not properly handle the disconnection
of potentially malicious clients interfacing with a Kestrel server. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2023-38180)");

  script_tag(name:"affected", value:"'dotnet6, dotnet7' package(s) on Ubuntu 23.04.");

  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");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-deb.inc");

release = dpkg_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "UBUNTU23.04") {

  if(!isnull(res = isdpkgvuln(pkg:"aspnetcore-runtime-6.0", ver:"6.0.121-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"aspnetcore-runtime-7.0", ver:"7.0.110-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dotnet-host", ver:"6.0.121-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dotnet-host-7.0", ver:"7.0.110-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dotnet-hostfxr-6.0", ver:"6.0.121-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dotnet-hostfxr-7.0", ver:"7.0.110-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dotnet-runtime-6.0", ver:"6.0.121-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dotnet-runtime-7.0", ver:"7.0.110-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dotnet-sdk-6.0", ver:"6.0.121-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dotnet-sdk-7.0", ver:"7.0.110-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dotnet6", ver:"6.0.121-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"dotnet7", ver:"7.0.110-0ubuntu1~23.04.1", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);