Debian DSA-2647-1 : firebird2.1 - buffer overflow - Nessus

Medium Plugin ID: 65581

This page contains detailed information about the Debian DSA-2647-1 : firebird2.1 - buffer overflow Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 65581
Name: Debian DSA-2647-1 : firebird2.1 - buffer overflow
Filename: debian_DSA-2647.nasl
Vulnerability Published: N/A
This Plugin Published: 2013-03-16
Last Modification Time: 2021-01-11
Plugin Version: 1.11
Plugin Type: local
Plugin Family: Debian Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/Debian/dpkg-l, Host/Debian/release, Host/local_checks_enabled

Vulnerability Information

Severity: Medium
Vulnerability Published: N/A
Patch Published: 2013-03-15
CVE [?]: CVE-2013-2492
CPE [?]: cpe:/o:debian:debian_linux:6.0, p-cpe:/a:debian:debian_linux:firebird2.1

Synopsis

The remote Debian host is missing a security-related update.

Description

A buffer overflow was discovered in the Firebird database server, which could result in the execution of arbitrary code.

Solution

Upgrade the firebird2.1 packages.

For the stable distribution (squeeze), this problem has been fixed in version 2.1.3.18185-0.ds1-11+squeeze1.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB, Core Impact)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Debian DSA-2647-1 : firebird2.1 - buffer overflow vulnerability:

Metasploit: exploit/windows/misc/fb_cnct_group
[Firebird Relational Database CNCT Group Number Buffer Overflow]
Exploit-DB: exploits/windows/local/41709.rb
[EDB-41709: Firebird - Relational Database CNCT Group Number Buffer Overflow (Metasploit)]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:F/RL:OF/RC:C

CVSS Base Score:	6.8 (Medium)
Impact Subscore:	6.4
Exploitability Subscore:	8.6
CVSS Temporal Score:	5.6 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	5.6 (Medium)

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Plugin Source

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-2647. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(65581);
  script_version("1.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2013-2492");
  script_bugtraq_id(58393);
  script_xref(name:"DSA", value:"2647");

  script_name(english:"Debian DSA-2647-1 : firebird2.1 - buffer overflow");
  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:
"A buffer overflow was discovered in the Firebird database server,
which could result in the execution of arbitrary code."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702735"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/squeeze/firebird2.1"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2013/dsa-2647"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the firebird2.1 packages.

For the stable distribution (squeeze), this problem has been fixed in
version 2.1.3.18185-0.ds1-11+squeeze1."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/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:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Firebird Relational Database CNCT Group Number Buffer Overflow');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firebird2.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2013/03/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/03/16");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  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:"6.0", prefix:"firebird2.1-classic", reference:"2.1.3.18185-0.ds1-11+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"firebird2.1-common", reference:"2.1.3.18185-0.ds1-11+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"firebird2.1-common-doc", reference:"2.1.3.18185-0.ds1-11+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"firebird2.1-dev", reference:"2.1.3.18185-0.ds1-11+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"firebird2.1-doc", reference:"2.1.3.18185-0.ds1-11+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"firebird2.1-examples", reference:"2.1.3.18185-0.ds1-11+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"firebird2.1-server-common", reference:"2.1.3.18185-0.ds1-11+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"firebird2.1-super", reference:"2.1.3.18185-0.ds1-11+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"libfbembed2.1", reference:"2.1.3.18185-0.ds1-11+squeeze1")) flag++;

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

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/debian_DSA-2647.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\debian_DSA-2647.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/debian_DSA-2647.nasl

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How to Run

Here is how to run the Debian DSA-2647-1 : firebird2.1 - buffer overflow as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select Debian Local Security Checks plugin family.
On the right side table select Debian DSA-2647-1 : firebird2.1 - buffer overflow plugin ID 65581.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl debian_DSA-2647.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a debian_DSA-2647.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - debian_DSA-2647.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state debian_DSA-2647.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

58393

DSA | Debian Security Advisory:

2647

See also:

Similar and related Nessus plugins:

65582 - Debian DSA-2648-1 : firebird2.5 - several vulnerabilities
65636 - Fedora 18 : firebird-2.5.2.26539.0-2.fc18 (2013-3707)
65637 - Fedora 17 : firebird-2.5.2.26539.0-2.fc17 (2013-3719)
65843 - FreeBSD : firebird -- Remote Stack Buffer Overflow (6adca5e9-95d2-11e2-8549-68b599b52a02)
87711 - GLSA-201512-11 : Firebird: Buffer Overflow
74929 - openSUSE Security Update : firebird (openSUSE-SU-2013:0496-1)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file debian_DSA-2647.nasl version 1.11. For more plugins, visit the Nessus Plugin Library.

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Debian DSA-2647-1 : firebird2.1 - buffer overflow - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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