CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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8.4 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in hanterm 3.3/3.3.1. Affected by this vulnerability is an unknown code block. The manipulation of the argument -fn/-hfb/-hfn
with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Buffer overflow in hanterm 3.3.1 and earlier allows local users to execute arbitrary code via a long string in the (1) -fn, (2) -hfb, or (3) -hfn argument.
The weakness was presented 05/29/2002 (Website). It is possible to read the advisory at online.securityfocus.com. This vulnerability is known as CVE-2002-0239. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.
A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 14949 (Debian DSA-112-1 : hanterm - buffer overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (8109) and Tenable (14949).
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 9.3VulDB Meta Temp Score: 8.4
VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
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CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
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Nessus ID: 14949
Nessus Name: Debian DSA-112-1 : hanterm - buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 53392
OpenVAS Name: Debian Security Advisory DSA 112-1 (hanterm)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
07/09/2001 🔍02/07/2002 🔍
02/16/2002 🔍
05/29/2002 🔍
05/29/2002 🔍
09/29/2004 🔍
07/11/2014 🔍
05/01/2019 🔍
Sources
Advisory: online.securityfocus.com⛔Status: Confirmed
CVE: CVE-2002-0239 (🔍)
X-Force: 8109
SecurityTracker: 1001950
SecurityFocus: 4050 - Hanterm Local Buffer Overflow Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/11/2014 14:00Updated: 05/01/2019 08:33
Changes: 07/11/2014 14:00 (68), 05/01/2019 08:33 (3)
Complete: 🔍
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