zsh 4.3.4 Util/difflog.pl access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in zsh 4.3.4. It has been classified as problematic. Affected is an unknown code block of the file Util/difflog.pl. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Util/difflog.pl in zsh 4.3.4 allows local users to overwrite arbitrary files via a symlink attack on temporary files.

The weakness was disclosed 12/02/2007 with Gentoo (Website). The advisory is shared for download at bugs.gentoo.org. This vulnerability is traded as CVE-2007-6209 since 12/03/2007. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.



CPE 2.3info

CPE 2.2info


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

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



VulDB Base Score: 🔍
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Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


12/02/2007 🔍
12/02/2007 +0 days 🔍
12/03/2007 +0 days 🔍
12/03/2007 +0 days 🔍
12/03/2007 +0 days 🔍
12/03/2007 +0 days 🔍
03/16/2015 +2659 days 🔍
07/29/2021 +2327 days 🔍


Advisory: bugs.gentoo.org
Organization: Gentoo
Status: Not defined

CVE: CVE-2007-6209 (🔍)
X-Force: 38812
SecurityFocus: 26674 - Zsh Insecure Temporary File Creation Vulnerability
Secunia: 27899 - Zsh difflog.pl Insecure Temporary Files, Less Critical
OSVDB: 42481 - zsh Util/difflog.pl Temporary File Symlink Arbitrary File Overwrite


Created: 03/16/2015 01:43 PM
Updated: 07/29/2021 07:53 PM
Changes: 03/16/2015 01:43 PM (45), 08/24/2017 08:56 AM (12), 07/29/2021 07:53 PM (3)
Complete: 🔍


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