Csound 5.08.2 PySys_SetArgv memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability classified as critical has been found in Csound 5.08.2. This affects the function PySys_SetArgv. 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:

Untrusted search path vulnerability in the (1) "VST plugin with Python scripting" and (2) "VST plugin for writing score generators in Python" in Csound 5.08.2, and possibly other versions, allows local users to execute arbitrary code via a Trojan horse Python file in the current working directory, related to a vulnerability in the PySys_SetArgv function (CVE-2008-5983).

The weakness was published 01/28/2009 as Bug 481550 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2008-5986 since 01/27/2009. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 51524 (RHEL 5 : python (RHSA-2011:0027)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (48276) and Tenable (51524). Similar entry is available at 46130.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.2

VulDB Base Score: 9.3
VulDB Temp Score: 8.2
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: Yes
Remote: No

Availability: 🔍
Status: Unproven

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Nessus ID: 51524
Nessus Name: RHEL 5 : python (RHSA-2011:0027)
Nessus File: 🔍
Nessus Risk: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Timelineinfo

01/26/2009 🔍
01/27/2009 +1 days 🔍
01/28/2009 +1 days 🔍
01/28/2009 +0 days 🔍
01/12/2011 +714 days 🔍
01/13/2011 +1 days 🔍
03/17/2015 +1523 days 🔍
10/26/2018 +1319 days 🔍

Sourcesinfo

Advisory: Bug 481550
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-5986 (🔍)
X-Force: 48276 - Csound PySys_SetArgv() function privilege escalation
SecurityFocus: 33446 - Csound 'PySys_SetArgv' Remote Command Execution Vulnerability

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 10/26/2018 08:54
Changes: 03/17/2015 16:11 (65), 10/26/2018 08:54 (2)
Complete: 🔍

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