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GLSA-200408-10 : gv: Exploitable Buffer Overflow

2004-08-30T00:00:00
ID GENTOO_GLSA-200408-10.NASL
Type nessus
Reporter This script is Copyright (C) 2004-2021 Tenable Network Security, Inc.
Modified 2004-08-30T00:00:00

Description

The remote host is affected by the vulnerability described in GLSA-200408-10 (gv: Exploitable Buffer Overflow)

gv contains a buffer overflow vulnerability where an unsafe sscanf() call
is used to interpret PDF and PostScript files.

Impact :

By enticing a user to view a malformed PDF or PostScript file an attacker
could execute arbitrary code with the permissions of the user running gv.

Workaround :

There is no known workaround at this time. All users are encouraged to
upgrade to the latest available version of gv.


                                        
                                            #%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 200408-10.
#
# The advisory text is Copyright (C) 2001-2015 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike 
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(14566);
  script_version("1.16");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");

  script_cve_id("CVE-2002-0838");
  script_xref(name:"GLSA", value:"200408-10");

  script_name(english:"GLSA-200408-10 : gv: Exploitable Buffer Overflow");
  script_summary(english:"Checks for updated package(s) in /var/db/pkg");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Gentoo host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote host is affected by the vulnerability described in GLSA-200408-10
(gv: Exploitable Buffer Overflow)

    gv contains a buffer overflow vulnerability where an unsafe sscanf() call
    is used to interpret PDF and PostScript files.
  
Impact :

    By enticing a user to view a malformed PDF or PostScript file an attacker
    could execute arbitrary code with the permissions of the user running gv.
  
Workaround :

    There is no known workaround at this time. All users are encouraged to
    upgrade to the latest available version of gv."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/200408-10"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All gv users should upgrade to the latest version:
    # emerge sync
    # emerge -pv '>=app-text/gv-3.5.8-r4'
    # emerge '>=app-text/gv-3.5.8-r4'"
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:gv");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2004/08/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2004/08/30");
  script_set_attribute(attribute:"vuln_publication_date", value:"2002/12/04");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2004-2021 Tenable Network Security, Inc.");
  script_family(english:"Gentoo Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (qpkg_check(package:"app-text/gv", unaffected:make_list("ge 3.5.8-r4"), vulnerable:make_list("le 3.5.8-r3"))) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:qpkg_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = qpkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "gv");
}
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