CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Microsoft Windows 95/NT 4.0 (Operating System). This affects an unknown part of the component TCP SYN Handler. The manipulation with an unknown input leads to a denial of service vulnerability (Land). CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:
land ip denial of service.
The issue has been introduced in 08/24/1995. The weakness was released 12/01/1997 (Website). It is possible to read the advisory at www1.itrc.hp.com. This vulnerability is uniquely identified as CVE-1999-0016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/05/2019). Due to its background and reception, this vulnerability has a historic impact.
A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 830 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 16850 (HP-UX PHNE_14017 : s700_800 11.00 cumulative ARPA Transport patch), which helps to determine the existence of the flaw in a target environment. It is assigned to the family HP-UX Local Security Checks and running in the context l.
Upgrading to version 98 or 2000 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 51.
The vulnerability is also documented in the databases at X-Force (912) and Tenable (16850).
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: LandClass: Denial of service / Land
CWE: CWE-404
ATT&CK: T1499
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 16850
Nessus Name: HP-UX PHNE_14017 : s700_800 11.00 cumulative ARPA Transport patch
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Windows 98/2000
Suricata ID: 2100527
Suricata Class: 🔍
Suricata Message: 🔍
TippingPoint: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
Timeline
08/24/1995 🔍11/20/1997 🔍
11/20/1997 🔍
12/01/1997 🔍
12/01/1997 🔍
02/11/1998 🔍
10/22/2002 🔍
02/16/2005 🔍
06/18/2014 🔍
05/05/2019 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: www1.itrc.hp.com
Status: Not defined
CVE: CVE-1999-0016 (🔍)
OVAL: 🔍
X-Force: 912
Vulnerability Center: 189 - [cisco-sa-19971121-land] Host is Vulnerable to Land IP DoS Attack, High
SecurityFocus: 2666 - Multiple Vendor loopback (land.c) Denial of Service Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 06/18/2014 17:33Updated: 05/05/2019 12:51
Changes: 06/18/2014 17:33 (84), 05/05/2019 12:51 (4)
Complete: 🔍
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