FreeBSD 4/5 Telnet Client slc_add_reply memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in FreeBSD 4/5. This affects the function slc_add_reply of the component Telnet Client. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2005-0469. The attack can be initiated remotely. There is not any exploit available. Disabling the affected component is recommended.

Detailsinfo

A vulnerability was found in FreeBSD 4/5 (Operating System). It has been classified as critical. This affects the function slc_add_reply of the component Telnet Client. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the slc_add_reply function in various BSD-based Telnet clients, when handling LINEMODE suboptions, allows remote attackers to execute arbitrary code via a reply with a large number of Set Local Character (SLC) commands.

The bug was discovered 03/28/2005. The weakness was released 03/28/2005 by Gaël Delalleau with iDEFENSE (Website). It is possible to read the advisory at idefense.com. This vulnerability is uniquely identified as CVE-2005-0469 since 02/18/2005. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 19270 (Debian DSA-765-1 : heimdal - 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38522 (Multiple Vendor Telnet Client Information Disclosure Vulnerability).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.FreeBSD.org. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (19270), SecurityFocus (BID 12918†), OSVDB (15094†), Secunia (SA14763†) and Vulnerability Center (SBV-7495†). Entries connected to this vulnerability are available at VDB-1312, VDB-1310, VDB-1308 and VDB-1313. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 19270
Nessus Name: Debian DSA-765-1 : heimdal - buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 54444
OpenVAS Name: Debian Security Advisory DSA 765-1 (heimdal)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: ftp.FreeBSD.org

Timelineinfo

02/18/2005 🔍
03/28/2005 +38 days 🔍
03/28/2005 +0 days 🔍
03/28/2005 +0 days 🔍
04/04/2005 +7 days 🔍
05/02/2005 +28 days 🔍
07/22/2005 +81 days 🔍
07/22/2005 +0 days 🔍
12/17/2024 +7088 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: idefense.com⛔
Researcher: Gaël Delalleau
Organization: iDEFENSE
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-0469 (🔍)
GCVE (CVE): GCVE-0-2005-0469
GCVE (VulDB): GCVE-100-1311

OVAL: 🔍

CERT: 🔍
SecurityFocus: 12918 - Multiple Vendor Telnet Client LINEMODE Sub-Options Remote Buffer Overflow Vulnerability
Secunia: 14763 - FreeBSD update for telnet, Moderately Critical
OSVDB: 15094 - Multiple Telnet Client slc_add_reply function buffer overflow
Vulnerability Center: 7495

See also: 🔍

Entryinfo

Created: 04/04/2005 10:29
Updated: 12/17/2024 05:25
Changes: 04/04/2005 10:29 (86), 07/02/2019 07:03 (4), 06/28/2024 17:41 (17), 12/17/2024 05:25 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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