Gentoo Security Advisory GLSA 200404-01 (Portage)

# SPDX-FileCopyrightText: 2008 E-Soft Inc.
# 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("1.3.6.1.4.1.25623.1.0.54540");
  script_cve_id("CVE-2004-1901");
  script_tag(name:"cvss_base", value:"4.6");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_version("2024-01-29T05:05:18+0000");
  script_tag(name:"last_modification", value:"2024-01-29 05:05:18 +0000 (Mon, 29 Jan 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-01-26 17:07:00 +0000 (Fri, 26 Jan 2024)");
  script_tag(name:"creation_date", value:"2008-09-24 21:14:03 +0200 (Wed, 24 Sep 2008)");
  script_name("Gentoo Security Advisory GLSA 200404-01 (Portage)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2008 E-Soft Inc.");
  script_family("Gentoo Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/gentoo", "ssh/login/pkg");
  script_tag(name:"insight", value:"A flaw has been found in the temporary file handling algorithms for the
sandboxing code used within Portage. Lockfiles created during normal
Portage operation of portage could be manipulated by local users resulting
in the truncation of hard linked files, causing a Denial of Service attack
on the system.");
  script_tag(name:"solution", value:"Users should upgrade to Portage 2.0.50-r3 or later:

    # emerge sync

    # emerge -pv '>=sys-apps/portage-2.0.50-r3'
    # emerge '>=sys-apps/portage-2.0.50-r3'");

  script_xref(name:"URL", value:"http://www.securityspace.com/smysecure/catid.html?in=GLSA%20200404-01");
  script_xref(name:"URL", value:"http://bugs.gentoo.org/show_bug.cgi?id=21923");
  script_tag(name:"summary", value:"The remote host is missing updates announced in
advisory GLSA 200404-01.");
  script_tag(name:"qod_type", value:"package");
  script_tag(name:"solution_type", value:"VendorFix");

  exit(0);
}

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

res = "";
report = "";
report = "";
if ((res = ispkgvuln(pkg:"sys-apps/portage", unaffected: make_list("ge 2.0.50-r3"), vulnerable: make_list("lt 2.0.50-r3"))) != NULL) {
    report += res;
}

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