Ubuntu: Security Advisory (USN-6841-2)

# SPDX-FileCopyrightText: 2024 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("1.3.6.1.4.1.25623.1.1.12.2024.6841.2");
  script_cve_id("CVE-2024-5458");
  script_tag(name:"creation_date", value:"2024-09-10 04:09:09 +0000 (Tue, 10 Sep 2024)");
  script_version("2024-09-10T05:05:42+0000");
  script_tag(name:"last_modification", value:"2024-09-10 05:05:42 +0000 (Tue, 10 Sep 2024)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-06-12 13:26:21 +0000 (Wed, 12 Jun 2024)");

  script_name("Ubuntu: Security Advisory (USN-6841-2)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2024 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=UBUNTU(16\.04\ LTS|18\.04\ LTS)");

  script_xref(name:"Advisory-ID", value:"USN-6841-2");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-6841-2");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'php7.0, php7.2' package(s) announced via the USN-6841-2 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"USN-6841-1 fixed a vulnerability in PHP. This update provides the
corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

 It was discovered that PHP could early return in the filter_var function
 resulting in invalid user information being treated as valid user
 information. An attacker could possibly use this issue to expose raw
 user input information.");

  script_tag(name:"affected", value:"'php7.0, php7.2' package(s) on Ubuntu 16.04, Ubuntu 18.04.");

  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");

  exit(0);
}

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

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

res = "";
report = "";

if(release == "UBUNTU16.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libapache2-mod-php7.0", ver:"7.0.33-0ubuntu0.16.04.16+esm11", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"php7.0", ver:"7.0.33-0ubuntu0.16.04.16+esm11", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"php7.0-cgi", ver:"7.0.33-0ubuntu0.16.04.16+esm11", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"php7.0-cli", ver:"7.0.33-0ubuntu0.16.04.16+esm11", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"php7.0-fpm", ver:"7.0.33-0ubuntu0.16.04.16+esm11", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU18.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libapache2-mod-php7.2", ver:"7.2.24-0ubuntu0.18.04.17+esm5", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"php7.2", ver:"7.2.24-0ubuntu0.18.04.17+esm5", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"php7.2-cgi", ver:"7.2.24-0ubuntu0.18.04.17+esm5", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"php7.2-cli", ver:"7.2.24-0ubuntu0.18.04.17+esm5", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"php7.2-fpm", ver:"7.2.24-0ubuntu0.18.04.17+esm5", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

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

exit(0);