linux-ftpd 0.17 Local Privilege Escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in linux-ftpd 0.17. The impacted element is an unknown function. The manipulation leads to Local Privilege Escalation. This vulnerability is documented as CVE-2006-5778. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in linux-ftpd 0.17 (File Transfer Software) and classified as problematic. This issue affects some unknown functionality. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

ftpd in linux-ftpd 0.17, and possibly other versions, performs a chdir before setting the UID, which allows local users to bypass intended access restrictions by redirecting their home directory to a restricted directory.

The bug was discovered 08/24/2006. The weakness was released 11/07/2006 by Paul Szabo (Website). The advisory is shared at lists.grok.org.uk. The identification of this vulnerability is CVE-2006-5778 since 11/07/2006. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 75 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 23703 (Debian DSA-1217-1 : linux-ftpd - programming error), 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 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (30176), Tenable (23703), SecurityFocus (BID 21000†), OSVDB (30339†) and Secunia (SA22997†). Entry connected to this vulnerability is available at VDB-33349. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 23703
Nessus Name: Debian DSA-1217-1 : linux-ftpd - programming error
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57588
OpenVAS Name: Debian Security Advisory DSA 1217-1 (linux-ftpd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/24/2006 🔍
11/07/2006 +75 days 🔍
11/07/2006 +0 days 🔍
11/07/2006 +0 days 🔍
11/07/2006 +0 days 🔍
11/10/2006 +3 days 🔍
11/20/2006 +10 days 🔍
11/22/2006 +2 days 🔍
11/23/2006 +1 days 🔍
11/28/2006 +5 days 🔍
03/12/2015 +3026 days 🔍
07/11/2019 +1582 days 🔍

Sourcesinfo

Advisory: lists.grok.org.uk
Researcher: Paul Szabo
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-5778 (🔍)
GCVE (CVE): GCVE-0-2006-5778
GCVE (VulDB): GCVE-100-33161
X-Force: 30176
SecurityFocus: 21000 - NetKit FTP Server ChDir Information Disclosure Vulnerability
Secunia: 22997 - Debian update for linux-ftpd, Less Critical
OSVDB: 30339 - NetKit - FTP Server - ChDir - Information Disclosure Issue
Vulnerability Center: 13149 - Linux-ftpd 0.17 Allows Local Users to Bypass Intended Access Restrictions, Medium

See also: 🔍

Entryinfo

Created: 03/12/2015 22:21
Updated: 07/11/2019 08:44
Changes: 03/12/2015 22:21 (77), 07/11/2019 08:44 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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