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-$5k0.00

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).

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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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

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Exploitinginfo

Class: Memory corruption
CWE: 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: 🔍
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Nessus Port: 🔍

OpenVAS ID: 53392
OpenVAS Name: Debian Security Advisory DSA 112-1 (hanterm)
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OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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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 🔍
05/01/2019 +1755 days 🔍

Sourcesinfo

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

Entryinfo

Created: 07/11/2014 14:00
Updated: 05/01/2019 08:33
Changes: 07/11/2014 14:00 (68), 05/01/2019 08:33 (3)
Complete: 🔍

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