Vulnerabilities > CVE-2004-0159 - Remote Format String vulnerability in Samhain Labs HSFTP

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
low complexity
samhain-labs
nessus
exploit available

Summary

Format string vulnerability in hsftp 1.11 allows remote authenticated users to cause a denial of service and possibly execute arbitrary code via file names containing format string characters that are not properly handled when executing an "ls" command.

Exploit-Db

descriptionSamhain Labs 1.x HSFTP Remote Format String Vulnerability. CVE-2004-0159. Local exploit for linux platform
idEDB-ID:23740
last seen2016-02-02
modified2004-02-23
published2004-02-23
reporter[email protected]
sourcehttps://www.exploit-db.com/download/23740/
titleSamhain Labs 1.x HSFTP Remote Format String Vulnerability

Nessus

NASL familyDebian Local Security Checks
NASL idDEBIAN_DSA-447.NASL
descriptionUlf Harnhammar from the Debian Security Audit Project discovered a format string vulnerability in hsftp. This vulnerability could be exploited by an attacker able to create files on a remote server with carefully crafted names, to which a user would connect using hsftp. When the user requests a directory listing, particular bytes in memory could be overwritten, potentially allowing arbitrary code to be executed with the privileges of the user invoking hsftp. Note that while hsftp is installed setuid root, it only uses these privileges to acquire locked memory, and then relinquishes them.
last seen2020-06-01
modified2020-06-02
plugin id15284
published2004-09-29
reporterThis script is Copyright (C) 2004-2019 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/15284
titleDebian DSA-447-1 : hsftp - format string
code
#%NASL_MIN_LEVEL 80502

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-447. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(15284);
  script_version("1.22");
  script_cvs_date("Date: 2019/08/02 13:32:17");

  script_cve_id("CVE-2004-0159");
  script_bugtraq_id(9715);
  script_xref(name:"DSA", value:"447");

  script_name(english:"Debian DSA-447-1 : hsftp - format string");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Ulf Harnhammar from the Debian Security Audit Project discovered a
format string vulnerability in hsftp. This vulnerability could be
exploited by an attacker able to create files on a remote server with
carefully crafted names, to which a user would connect using hsftp.
When the user requests a directory listing, particular bytes in memory
could be overwritten, potentially allowing arbitrary code to be
executed with the privileges of the user invoking hsftp.

Note that while hsftp is installed setuid root, it only uses these
privileges to acquire locked memory, and then relinquishes them."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2004/dsa-447"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"For the current stable distribution (woody) this problem has been
fixed in version 1.11-1woody1.

We recommend that you update your hsftp package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:hsftp");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2004/02/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2004/09/29");
  script_set_attribute(attribute:"vuln_publication_date", value:"2004/02/23");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2004-2019 Tenable Network Security, Inc.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"3.0", prefix:"hsftp", reference:"1.11-1woody1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");