Vulnerabilities > CVE-2008-2739 - Unspecified vulnerability in Cisco IOS

047910
CVSS 7.8 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
COMPLETE
network
low complexity
cisco
nessus

Summary

The SERVICE.DNS signature engine in the Intrusion Prevention System (IPS) in Cisco IOS 12.3 and 12.4 allows remote attackers to cause a denial of service (device crash or hang) via network traffic that triggers unspecified IPS signatures, a different vulnerability than CVE-2008-1447.

Nessus

NASL familyCISCO
NASL idCISCO-SA-20080924-IOSIPSHTTP.NASL
descriptionThe Cisco IOS Intrusion Prevention System (IPS) feature contains a vulnerability in the processing of certain IPS signatures that use the SERVICE.DNS engine. This vulnerability may cause a router to crash or hang, resulting in a denial of service condition. Cisco has released free software updates that address this vulnerability. There is a workaround for this vulnerability. Note: This vulnerability is not related in any way to CVE-2008-1447 - Cache poisoning attacks.
last seen2019-10-28
modified2010-09-01
plugin id49019
published2010-09-01
reporterThis script is (C) 2010-2018 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/49019
titleCisco IOS IPS Denial of Service Vulnerability - Cisco Systems
code
#TRUSTED 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
#
# (C) Tenable Network Security, Inc.
#
# Security advisory is (C) CISCO, Inc.
# See https://www.cisco.com/en/US/products/products_security_advisory09186a0080a01556.shtml

include("compat.inc");

if (description)
{
 script_id(49019);
 script_version("1.24");
 script_set_attribute(attribute:"plugin_modification_date", value:"2018/11/15");

 script_cve_id("CVE-2008-2739");
 script_bugtraq_id(31364);
 script_xref(name:"CISCO-BUG-ID", value:"CSCsq13348");
 script_xref(name:"CISCO-SA", value:"cisco-sa-20080924-iosips");

 script_name(english:"Cisco IOS IPS Denial of Service Vulnerability - Cisco Systems");
 script_summary(english:"Checks IOS version");

 script_set_attribute(attribute:"synopsis", value:"The remote device is missing a vendor-supplied security patch.");
 script_set_attribute(attribute:"description", value:
"The Cisco IOS Intrusion Prevention System (IPS) feature contains a
vulnerability in the processing of certain IPS signatures that use the
SERVICE.DNS engine. This vulnerability may cause a router to crash or
hang, resulting in a denial of service condition.

Cisco has released free software updates that address this
vulnerability. There is a workaround for this vulnerability.

Note: This vulnerability is not related in any way to CVE-2008-1447 -
Cache poisoning attacks.");
 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8becf922");
 # https://www.cisco.com/en/US/products/products_security_advisory09186a0080a01556.shtml
 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?39563ad9");
 script_set_attribute(attribute:"solution", value:
"Apply the relevant patch referenced in Cisco Security Advisory
cisco-sa-20080924-iosips.");
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
 script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
 script_set_attribute(attribute:"exploit_available", value:"false");

 script_set_attribute(attribute:"vuln_publication_date", value:"2008/09/24");
 script_set_attribute(attribute:"patch_publication_date", value:"2008/09/24");
 script_set_attribute(attribute:"plugin_publication_date", value:"2010/09/01");

 script_set_attribute(attribute:"plugin_type", value:"combined");
 script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:ios");
 script_end_attributes();

 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is (C) 2010-2018 Tenable Network Security, Inc.");
 script_family(english:"CISCO");

 script_dependencie("cisco_ios_version.nasl");
 script_require_keys("Host/Cisco/IOS/Version");
 exit(0);
}

include("audit.inc");
include("cisco_func.inc");
include("cisco_kb_cmd_func.inc");

flag = 0;
override = 0;
version = get_kb_item_or_exit("Host/Cisco/IOS/Version");

if (version == '12.4(20)YA') flag++;
else if (version == '12.4(15)XZ1') flag++;
else if (version == '12.4(15)XZ') flag++;
else if (version == '12.4(15)XY3') flag++;
else if (version == '12.4(15)XY2') flag++;
else if (version == '12.4(15)XY1') flag++;
else if (version == '12.4(15)XY') flag++;
else if (version == '12.4(11)XW8') flag++;
else if (version == '12.4(11)XW7') flag++;
else if (version == '12.4(11)XW6') flag++;
else if (version == '12.4(11)XW5') flag++;
else if (version == '12.4(11)XW4') flag++;
else if (version == '12.4(11)XW3') flag++;
else if (version == '12.4(11)XW2') flag++;
else if (version == '12.4(11)XW1') flag++;
else if (version == '12.4(11)XW') flag++;
else if (version == '12.4(11)XV1') flag++;
else if (version == '12.4(11)XV') flag++;
else if (version == '12.4(6)XT2') flag++;
else if (version == '12.4(6)XT1') flag++;
else if (version == '12.4(6)XT') flag++;
else if (version == '12.4(14)XK') flag++;
else if (version == '12.4(11)XJ4') flag++;
else if (version == '12.4(11)XJ3') flag++;
else if (version == '12.4(11)XJ2') flag++;
else if (version == '12.4(11)XJ') flag++;
else if (version == '12.4(15)XF') flag++;
else if (version == '12.4(6)XE3') flag++;
else if (version == '12.4(6)XE2') flag++;
else if (version == '12.4(6)XE1') flag++;
else if (version == '12.4(6)XE') flag++;
else if (version == '12.4(4)XD9') flag++;
else if (version == '12.4(4)XD8') flag++;
else if (version == '12.4(4)XD7') flag++;
else if (version == '12.4(4)XD5') flag++;
else if (version == '12.4(4)XD4') flag++;
else if (version == '12.4(4)XD2') flag++;
else if (version == '12.4(4)XD10') flag++;
else if (version == '12.4(4)XD1') flag++;
else if (version == '12.4(4)XD') flag++;
else if (version == '12.4(4)XC7') flag++;
else if (version == '12.4(4)XC6') flag++;
else if (version == '12.4(4)XC5') flag++;
else if (version == '12.4(4)XC4') flag++;
else if (version == '12.4(4)XC3') flag++;
else if (version == '12.4(4)XC2') flag++;
else if (version == '12.4(4)XC1') flag++;
else if (version == '12.4(4)XC') flag++;
else if (version == '12.4(2)XA2') flag++;
else if (version == '12.4(2)XA1') flag++;
else if (version == '12.4(2)XA') flag++;
else if (version == '12.4(15)T5') flag++;
else if (version == '12.4(15)T4') flag++;
else if (version == '12.4(15)T3') flag++;
else if (version == '12.4(15)T2') flag++;
else if (version == '12.4(15)T1') flag++;
else if (version == '12.4(15)T') flag++;
else if (version == '12.4(11)T4') flag++;
else if (version == '12.4(11)T3') flag++;
else if (version == '12.4(11)T2') flag++;
else if (version == '12.4(11)T1') flag++;
else if (version == '12.4(11)T') flag++;
else if (version == '12.4(9)T7') flag++;
else if (version == '12.4(9)T6') flag++;
else if (version == '12.4(9)T5') flag++;
else if (version == '12.4(9)T4') flag++;
else if (version == '12.4(9)T3') flag++;
else if (version == '12.4(9)T2') flag++;
else if (version == '12.4(9)T1') flag++;
else if (version == '12.4(9)T') flag++;
else if (version == '12.4(6)T9') flag++;
else if (version == '12.4(6)T8') flag++;
else if (version == '12.4(6)T7') flag++;
else if (version == '12.4(6)T6') flag++;
else if (version == '12.4(6)T5') flag++;
else if (version == '12.4(6)T4') flag++;
else if (version == '12.4(6)T3') flag++;
else if (version == '12.4(6)T2') flag++;
else if (version == '12.4(6)T11') flag++;
else if (version == '12.4(6)T10') flag++;
else if (version == '12.4(6)T1') flag++;
else if (version == '12.4(6)T') flag++;
else if (version == '12.4(4)T8') flag++;
else if (version == '12.4(4)T7') flag++;
else if (version == '12.4(4)T6') flag++;
else if (version == '12.4(4)T5') flag++;
else if (version == '12.4(4)T4') flag++;
else if (version == '12.4(4)T3') flag++;
else if (version == '12.4(4)T2') flag++;
else if (version == '12.4(4)T1') flag++;
else if (version == '12.4(4)T') flag++;
else if (version == '12.4(2)T6') flag++;
else if (version == '12.4(2)T5') flag++;
else if (version == '12.4(2)T4') flag++;
else if (version == '12.4(2)T3') flag++;
else if (version == '12.4(2)T2') flag++;
else if (version == '12.4(2)T1') flag++;
else if (version == '12.4(2)T') flag++;
else if (version == '12.4(16)MR2') flag++;
else if (version == '12.4(16)MR1') flag++;
else if (version == '12.4(19)') flag++;
else if (version == '12.4(18a)') flag++;
else if (version == '12.4(18)') flag++;
else if (version == '12.4(17b)') flag++;
else if (version == '12.4(17a)') flag++;
else if (version == '12.4(17)') flag++;
else if (version == '12.4(16b)') flag++;
else if (version == '12.4(16a)') flag++;
else if (version == '12.4(16)') flag++;
else if (version == '12.4(13f)') flag++;
else if (version == '12.4(13e)') flag++;
else if (version == '12.4(13d)') flag++;
else if (version == '12.4(13c)') flag++;
else if (version == '12.4(13b)') flag++;
else if (version == '12.4(13a)') flag++;
else if (version == '12.4(13)') flag++;
else if (version == '12.4(12c)') flag++;
else if (version == '12.4(12b)') flag++;
else if (version == '12.4(12a)') flag++;
else if (version == '12.4(12)') flag++;
else if (version == '12.4(10c)') flag++;
else if (version == '12.4(10b)') flag++;
else if (version == '12.4(10a)') flag++;
else if (version == '12.4(10)') flag++;
else if (version == '12.4(8d)') flag++;
else if (version == '12.4(8c)') flag++;
else if (version == '12.4(8b)') flag++;
else if (version == '12.4(8a)') flag++;
else if (version == '12.4(8)') flag++;
else if (version == '12.4(7h)') flag++;
else if (version == '12.4(7g)') flag++;
else if (version == '12.4(7f)') flag++;
else if (version == '12.4(7e)') flag++;
else if (version == '12.4(7d)') flag++;
else if (version == '12.4(7c)') flag++;
else if (version == '12.4(7b)') flag++;
else if (version == '12.4(7a)') flag++;
else if (version == '12.4(7)') flag++;
else if (version == '12.4(5c)') flag++;
else if (version == '12.4(5b)') flag++;
else if (version == '12.4(5a)') flag++;
else if (version == '12.4(5)') flag++;
else if (version == '12.4(3j)') flag++;
else if (version == '12.4(3i)') flag++;
else if (version == '12.4(3h)') flag++;
else if (version == '12.4(3g)') flag++;
else if (version == '12.4(3f)') flag++;
else if (version == '12.4(3e)') flag++;
else if (version == '12.4(3d)') flag++;
else if (version == '12.4(3c)') flag++;
else if (version == '12.4(3b)') flag++;
else if (version == '12.4(3a)') flag++;
else if (version == '12.4(3)') flag++;
else if (version == '12.4(1c)') flag++;
else if (version == '12.4(1b)') flag++;
else if (version == '12.4(1a)') flag++;
else if (version == '12.4(1)') flag++;
else if (version == '12.3(8)ZA') flag++;
else if (version == '12.3(11)YZ2') flag++;
else if (version == '12.3(11)YZ1') flag++;
else if (version == '12.3(11)YZ') flag++;
else if (version == '12.3(14)YT1') flag++;
else if (version == '12.3(14)YT') flag++;
else if (version == '12.3(11)YS2') flag++;
else if (version == '12.3(11)YS1') flag++;
else if (version == '12.3(11)YS') flag++;
else if (version == '12.3(14)YM9') flag++;
else if (version == '12.3(14)YM8') flag++;
else if (version == '12.3(14)YM7') flag++;
else if (version == '12.3(14)YM6') flag++;
else if (version == '12.3(14)YM5') flag++;
else if (version == '12.3(14)YM4') flag++;
else if (version == '12.3(14)YM3') flag++;
else if (version == '12.3(14)YM2') flag++;
else if (version == '12.3(14)YM12') flag++;
else if (version == '12.3(14)YM11') flag++;
else if (version == '12.3(14)YM10') flag++;
else if (version == '12.3(11)YK3') flag++;
else if (version == '12.3(11)YK2') flag++;
else if (version == '12.3(11)YK1') flag++;
else if (version == '12.3(11)YK') flag++;
else if (version == '12.3(8)YI3') flag++;
else if (version == '12.3(8)YI2') flag++;
else if (version == '12.3(8)YI1') flag++;
else if (version == '12.3(8)YH') flag++;
else if (version == '12.3(8)YG6') flag++;
else if (version == '12.3(8)YG5') flag++;
else if (version == '12.3(8)YG4') flag++;
else if (version == '12.3(8)YG3') flag++;
else if (version == '12.3(8)YG2') flag++;
else if (version == '12.3(8)YG1') flag++;
else if (version == '12.3(8)YG') flag++;
else if (version == '12.3(8)YD1') flag++;
else if (version == '12.3(8)YD') flag++;
else if (version == '12.3(8)YA1') flag++;
else if (version == '12.3(8)YA') flag++;
else if (version == '12.3(8)XX2d') flag++;
else if (version == '12.3(8)XX1') flag++;
else if (version == '12.3(8)XX') flag++;
else if (version == '12.3(7)XS2') flag++;
else if (version == '12.3(7)XS1') flag++;
else if (version == '12.3(7)XS') flag++;
else if (version == '12.3(7)XR7') flag++;
else if (version == '12.3(7)XR6') flag++;
else if (version == '12.3(7)XR5') flag++;
else if (version == '12.3(7)XR4') flag++;
else if (version == '12.3(7)XR3') flag++;
else if (version == '12.3(7)XR2') flag++;
else if (version == '12.3(7)XR') flag++;
else if (version == '12.3(4)XQ1') flag++;
else if (version == '12.3(4)XQ') flag++;
else if (version == '12.3(11)XL1') flag++;
else if (version == '12.3(11)XL') flag++;
else if (version == '12.3(14)T7') flag++;
else if (version == '12.3(14)T6') flag++;
else if (version == '12.3(14)T5') flag++;
else if (version == '12.3(14)T3') flag++;
else if (version == '12.3(14)T2') flag++;
else if (version == '12.3(14)T1') flag++;
else if (version == '12.3(14)T') flag++;
else if (version == '12.3(11)T9') flag++;
else if (version == '12.3(11)T8') flag++;
else if (version == '12.3(11)T7') flag++;
else if (version == '12.3(11)T6') flag++;
else if (version == '12.3(11)T5') flag++;
else if (version == '12.3(11)T4') flag++;
else if (version == '12.3(11)T3') flag++;
else if (version == '12.3(11)T2') flag++;
else if (version == '12.3(11)T11') flag++;
else if (version == '12.3(11)T10') flag++;
else if (version == '12.3(11)T') flag++;
else if (version == '12.3(8)T9') flag++;
else if (version == '12.3(8)T8') flag++;
else if (version == '12.3(8)T7') flag++;
else if (version == '12.3(8)T6') flag++;
else if (version == '12.3(8)T5') flag++;
else if (version == '12.3(8)T4') flag++;
else if (version == '12.3(8)T3') flag++;
else if (version == '12.3(8)T11') flag++;
else if (version == '12.3(8)T10') flag++;
else if (version == '12.3(8)T1') flag++;
else if (version == '12.3(8)T') flag++;

if (get_kb_item("Host/local_checks_enabled"))
{
  if (flag)
  {
    flag = 0;
    buf = cisco_command_kb_item("Host/Cisco/Config/show_ip_ips_interfaces", "show ip ips interfaces");
    if (check_cisco_result(buf))
    {
      if ( (preg(pattern:"Interface Configuration", multiline:TRUE, string:buf)) && (!preg(pattern:"not configured on any interface", multiline:TRUE, string:buf)) ) { flag = 1; }
    } else if (cisco_needs_enable(buf)) { flag = 1; override = 1; }
  }
}



if (flag)
{
  security_hole(port:0, extra:cisco_caveat(override));
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");

Oval

accepted2010-06-21T04:00:02.096-04:00
classvulnerability
contributors
  • nameYuzheng Zhou
    organizationHewlett-Packard
  • nameKASHIF LATIF
    organizationDTCC
descriptionThe SERVICE.DNS signature engine in the Intrusion Prevention System (IPS) in Cisco IOS 12.3 and 12.4 allows remote attackers to cause a denial of service (device crash or hang) via network traffic that triggers unspecified IPS signatures, a different vulnerability than CVE-2008-1447.
familyios
idoval:org.mitre.oval:def:6058
statusaccepted
submitted2008-09-24T11:06:36.000-04:00
titleCisco IOS IPS Denial of Service Vulnerability
version7

Seebug

bulletinFamilyexploit
descriptionBUGTRAQ ID: 31364 CVE ID: CVE-2008-2739 CNCVE ID:CNCVE-20082739 Cisco IOS Intrusion Prevention System (IPS)是一款内联的报文检测分析功能,可用于检查大量的网络攻击。 Cisco IOS IPS包含的SERVICE.DNS签名引擎存在问题,远程攻击者可以利用漏洞对设备进行拒绝服务攻击。 部分网络通信可触发SERVICE.DNS签名引擎上的IPS签名,可导致Cisco IOS设备崩溃或挂起。这可导致破坏网路通信而导致拒绝服务攻击。 此漏洞的Cisco bug ID为CSCsq13348,CVE ID为CVE-2008-2739。 Cisco IOS 12.4YA Cisco IOS 12.4XZ Cisco IOS 12.4XY Cisco IOS 12.4XW Cisco IOS 12.4XV Cisco IOS 12.4XT Cisco IOS 12.4XK Cisco IOS 12.4XJ Cisco IOS 12.4XF Cisco IOS 12.4XE Cisco IOS 12.4XD Cisco IOS 12.4XC Cisco IOS 12.4XA Cisco IOS 12.4T Cisco IOS 12.4MR Cisco IOS 12.4 Cisco IOS 12.3ZA Cisco IOS 12.3YZ Cisco IOS 12.3YT Cisco IOS 12.3YS Cisco IOS 12.3YM Cisco IOS 12.3YK Cisco IOS 12.3YI Cisco IOS 12.3YH Cisco IOS 12.3YG Cisco IOS 12.3YD Cisco IOS 12.3YA Cisco IOS 12.3XX Cisco IOS 12.3XS Cisco IOS 12.3XQ Cisco IOS 12.3XL Cisco IOS 12.3T 可参考如下安全公告获得补丁信息: <a href=http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01556.shtml target=_blank>http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01556.shtml</a>
idSSV:4111
last seen2017-11-19
modified2008-09-26
published2008-09-26
reporterRoot
titleCisco IOS IPS 'SERVICE.DNS'远程拒绝服务漏洞