Michael Bischoff xsok 1.02 -xsokdir memory corruption

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5.6$0-$5k0.00

A vulnerability classified as problematic has been found in Michael Bischoff xsok 1.02. This affects an unknown part. The manipulation of the argument -xsokdir as part of a Environment Variable 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:

Multiple buffer overflows in xsok 1.02 allows local users to gain privileges via (1) a long LANG environment variable, or (2) a long -xsokdir command line argument, a different vulnerability than CVE-2003-0949.

The bug was discovered 12/30/2003. The weakness was released 12/30/2003 with Debian (Website). It is possible to read the advisory at marc.theaimsgroup.com. This vulnerability is uniquely identified as CVE-2004-0074. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed by c0wboy in ANSI C and been published before and not just after the advisory. The exploit is shared for download at archives.neohapsis.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 15242 (Debian DSA-405-1 : xsok - missing privilege release), 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 before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (14910), Tenable (15242) and Exploit-DB (140). Entry connected to this vulnerability is available at 21531.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.6
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CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: c0wboy
Programming Language: 🔍
Download: 🔍

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Nessus ID: 15242
Nessus Name: Debian DSA-405-1 : xsok - missing privilege release
Nessus File: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/30/2003 🔍
12/30/2003 +0 days 🔍
12/30/2003 +0 days 🔍
12/30/2003 +0 days 🔍
12/30/2003 +0 days 🔍
12/30/2003 +0 days 🔍
01/02/2004 +2 days 🔍
01/06/2004 +4 days 🔍
02/17/2004 +41 days 🔍
09/29/2004 +225 days 🔍
10/15/2014 +3668 days 🔍
06/18/2018 +1342 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Organization: Debian
Status: Confirmed

CVE: CVE-2004-0074 (🔍)
X-Force: 14910 - xsok LANG environment variable buffer overflow
SecurityFocus: 9341 - XSOK LANG Environment Variable Local Buffer Overrun Vulnerability
Secunia: 10513 - Xsok "LANG" Environment Variable Privilege Escalation Vulnerability, Not Critical
OSVDB: 6879 - xsok LANG Environment Variable Overflow

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/15/2014 14:27
Updated: 06/18/2018 09:08
Changes: 10/15/2014 14:27 (66), 06/18/2018 09:08 (14)
Complete: 🔍

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