F5 BIG-IP up to 4.6.3 Telnet Client SLC 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, which was classified as critical, was found in F5 BIG-IP up to 4.6.3. Affected by this issue is the function slc_add_reply of the component Telnet Client SLC. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2005-0469. It is possible to launch the attack remotely. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in F5 BIG-IP up to 4.6.3 (Firewall Software). Affected by this issue is the function slc_add_reply of the component Telnet Client SLC. 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. CVE summarizes:

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 published 07/20/2005 by Gaël Delalleau with iDEFENSE (Website). The advisory is shared for download at tech.f5.com. This vulnerability is handled as CVE-2005-0469 since 02/18/2005. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k. 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 f5.com. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (19270), SecurityFocus (BID 12918†), OSVDB (15094†), Secunia (SA16125†) and Vulnerability Center (SBV-7495†). Similar entries are available at VDB-1312, VDB-1310, VDB-1308 and VDB-1313. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: Patch
Status: 🔍

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

Patch: f5.com

Timelineinfo

02/18/2005 🔍
03/28/2005 +38 days 🔍
03/28/2005 +0 days 🔍
04/04/2005 +7 days 🔍
05/02/2005 +28 days 🔍
07/20/2005 +79 days 🔍
07/22/2005 +2 days 🔍
07/22/2005 +0 days 🔍
12/17/2024 +7088 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: tech.f5.com
Researcher: Gaël Delalleau
Organization: iDEFENSE
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-0469 (🔍)
GCVE (CVE): GCVE-0-2005-0469
GCVE (VulDB): GCVE-100-1640

OVAL: 🔍

CERT: 🔍
SecurityFocus: 12918 - Multiple Vendor Telnet Client LINEMODE Sub-Options Remote Buffer Overflow Vulnerability
Secunia: 16125 - F5 Networks BIG-IP / 3-DNS Three Vulnerabilities, 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 05:51
Changes: 04/04/2005 10:29 (82), 07/03/2019 17:27 (10), 06/29/2024 02:18 (17), 12/17/2024 05:51 (3)
Complete: 🔍
Cache ID: 216::103

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