hanterm 3.3/3.3.1 -fn/-hfb/-hfn memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.45

Summaryinfo

A vulnerability was found in hanterm 3.3/3.3.1. It has been classified as problematic. This affects an unknown part. This manipulation of the argument -fn/-hfb/-hfn causes memory corruption. This vulnerability appears as CVE-2002-0239. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

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), Exploit-DB (21280), Tenable (14949), SecurityFocus (BID 4050†) and SecurityTracker (ID 1001950†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/09/2001 🔍
02/07/2002 +213 days 🔍
02/16/2002 +9 days 🔍
05/29/2002 +102 days 🔍
05/29/2002 +0 days 🔍
09/29/2004 +854 days 🔍
07/11/2014 +3572 days 🔍
11/23/2024 +3788 days 🔍

Sourcesinfo

Advisory: online.securityfocus.com⛔
Status: Confirmed

CVE: CVE-2002-0239 (🔍)
GCVE (CVE): GCVE-0-2002-0239
GCVE (VulDB): GCVE-100-18163
X-Force: 8109
SecurityFocus: 4050 - Hanterm Local Buffer Overflow Vulnerability
SecurityTracker: 1001950

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/11/2014 14:00
Updated: 11/23/2024 19:33
Changes: 07/11/2014 14:00 (68), 05/01/2019 08:33 (3), 11/23/2024 19:33 (17)
Complete: 🔍
Cache ID: 216::103

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