Ubuntu: Security Advisory (USN-6793-1)

# 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("1.3.6.1.4.1.25623.1.1.12.2024.6793.1");
  script_cve_id("CVE-2024-32002", "CVE-2024-32004", "CVE-2024-32020", "CVE-2024-32021", "CVE-2024-32465");
  script_tag(name:"creation_date", value:"2024-05-29 04:09:43 +0000 (Wed, 29 May 2024)");
  script_version("2024-05-29T05:05:18+0000");
  script_tag(name:"last_modification", value:"2024-05-29 05:05:18 +0000 (Wed, 29 May 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:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-05-23 20:40:28 +0000 (Thu, 23 May 2024)");

  script_name("Ubuntu: Security Advisory (USN-6793-1)");
  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(20\.04\ LTS|22\.04\ LTS|23\.10|24\.04\ LTS)");

  script_xref(name:"Advisory-ID", value:"USN-6793-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-6793-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'git' package(s) announced via the USN-6793-1 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 Git incorrectly handled certain submodules.
An attacker could possibly use this issue to execute arbitrary code.
This issue was fixed in Ubuntu 22.04 LTS, Ubuntu 23.10 and Ubuntu 24.04 LTS.
(CVE-2024-32002)

It was discovered that Git incorrectly handled certain cloned repositories.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2024-32004)

It was discovered that Git incorrectly handled local clones with hardlinked
files/directories. An attacker could possibly use this issue to place a
specialized repository on their target's local system. (CVE-2024-32020)

It was discovered that Git incorrectly handled certain symlinks. An attacker
could possibly use this issue to impact availability and integrity
creating hardlinked arbitrary files into users repository's objects/directory.
(CVE-2024-32021)

It was discovered that Git incorrectly handled certain cloned repositories.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2024-32465)");

  script_tag(name:"affected", value:"'git' package(s) on Ubuntu 20.04, Ubuntu 22.04, Ubuntu 23.10, Ubuntu 24.04.");

  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 == "UBUNTU20.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"git", ver:"1:2.25.1-1ubuntu3.12", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU22.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"git", ver:"1:2.34.1-1ubuntu1.11", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU23.10") {

  if(!isnull(res = isdpkgvuln(pkg:"git", ver:"1:2.40.1-1ubuntu1.1", rls:"UBUNTU23.10"))) {
    report += res;
  }

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

if(release == "UBUNTU24.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"git", ver:"1:2.43.0-1ubuntu7.1", rls:"UBUNTU24.04 LTS"))) {
    report += res;
  }

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

exit(0);