Huawei EulerOS: Security Advisory for git (EulerOS-SA-2022-1888)

# 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("1.3.6.1.4.1.25623.1.1.2.2022.1888");
  script_cve_id("CVE-2022-24765");
  script_tag(name:"creation_date", value:"2022-06-17 04:18:31 +0000 (Fri, 17 Jun 2022)");
  script_version("2024-02-05T14:36:57+0000");
  script_tag(name:"last_modification", value:"2024-02-05 14:36:57 +0000 (Mon, 05 Feb 2024)");
  script_tag(name:"cvss_base", value:"6.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-04-23 02:10:36 +0000 (Sat, 23 Apr 2022)");

  script_name("Huawei EulerOS: Security Advisory for git (EulerOS-SA-2022-1888)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Huawei EulerOS Local Security Checks");
  script_dependencies("gb_huawei_euleros_consolidation.nasl");
  script_mandatory_keys("ssh/login/euleros", "ssh/login/rpms", re:"ssh/login/release=EULEROS\-2\.0SP5");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2022-1888");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2022-1888");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'git' package(s) announced via the EulerOS-SA-2022-1888 advisory.");

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

  script_tag(name:"insight", value:"Git for Windows is a fork of Git containing Windows-specific patches.This vulnerability affects users working on multi-user machines, where untrusted parties have write access to the same hard disk.Those untrusted parties could create the folder `C:\.git`, which would be picked up by Git operations run supposedly outside a repository while searching for a Git directory.Git would then respect any config in said Git directory.Git Bash users who set `GIT_PS1_SHOWDIRTYSTATE` are vulnerable as well.Users who installed posh-gitare vulnerable simply by starting a PowerShell.Users of IDEs such as Visual Studio are vulnerable: simply creating a new project would already read and respect the config specified in `C:\.git\config`.Users of the Microsoft fork of Git are vulnerable simply by starting a Git Bash.The problem has been patched in Git for Windows v2.35.2.Users unable to upgrade may create the folder `.git` on all drives where Git commands are run, and remove read/write access from those folders as a workaround.Alternatively, define or extend `GIT_CEILING_DIRECTORIES` to cover the _parent_ directory of the user profile, e.g.`C:\Users` if the user profile is located in `C:\Users\my-user-name`.(CVE-2022-24765)");

  script_tag(name:"affected", value:"'git' package(s) on Huawei EulerOS V2.0SP5.");

  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-rpm.inc");

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

res = "";
report = "";

if(release == "EULEROS-2.0SP5") {

  if(!isnull(res = isrpmvuln(pkg:"git", rpm:"git~2.23.0~1.h9.eulerosv2r7", rls:"EULEROS-2.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"git-core", rpm:"git-core~2.23.0~1.h9.eulerosv2r7", rls:"EULEROS-2.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"git-core-doc", rpm:"git-core-doc~2.23.0~1.h9.eulerosv2r7", rls:"EULEROS-2.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"perl-Git", rpm:"perl-Git~2.23.0~1.h9.eulerosv2r7", rls:"EULEROS-2.0SP5"))) {
    report += res;
  }

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

exit(0);