Sun Solaris up to 10 Telnet Client slc_add_reply memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Sun Solaris up to 10 (Operating System). This issue affects the function slc_add_reply of the component Telnet Client. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is 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 disclosed 03/28/2005 by Gaël Delalleau with iDEFENSE (Website). It is possible to read the advisory at idefense.com. The public release has been coordinated in cooperation with Sun. The identification of this vulnerability is CVE-2005-0469 since 02/18/2005. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a private exploit are known.

It is declared as proof-of-concept. 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 sunsolve.sun.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 3537. In this case the pattern |FF FA|'|01| is used for detection.

The vulnerability is also documented in the databases at Tenable (19270), SecurityFocus (BID 12918†), OSVDB (15094†), Secunia (SA14754†) and SecurityTracker (ID 1013575†). The entries VDB-1312, VDB-1310, VDB-1308 and VDB-1313 are pretty similar.

Productinfo

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Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

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: 🔍
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Countermeasuresinfo

Recommended: Disable
Status: 🔍

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

Patch: sunsolve.sun.com

Snort ID: 3537
Snort Message: TELNET client ENV OPT escape overflow attempt
Snort Pattern: 🔍

Timelineinfo

02/18/2005 🔍
03/28/2005 +38 days 🔍
03/28/2005 +0 days 🔍
03/28/2005 +0 days 🔍
03/28/2005 +0 days 🔍
03/28/2005 +0 days 🔍
03/29/2005 +1 days 🔍
04/04/2005 +5 days 🔍
05/02/2005 +28 days 🔍
07/22/2005 +81 days 🔍
06/28/2024 +6916 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: idefense.com⛔
Researcher: Gaël Delalleau
Organization: iDEFENSE
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2005-0469 (🔍)
OVAL: 🔍

SecurityFocus: 12918 - Multiple Vendor Telnet Client LINEMODE Sub-Options Remote Buffer Overflow Vulnerability
Secunia: 14754 - Sun Solaris Telnet Client Buffer Overflow Vulnerabilities, Moderately Critical
OSVDB: 15094 - Multiple Vendor Telnet slc_add_reply Function Remote Overflow
SecurityTracker: 1013575
Vulnerability Center: 7495

See also: 🔍

Entryinfo

Created: 04/04/2005 10:29 AM
Updated: 06/28/2024 04:30 PM
Changes: 04/04/2005 10:29 AM (99), 07/02/2019 06:38 AM (1), 06/28/2024 04:30 PM (17)
Complete: 🔍
Cache ID: 18:758:40

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