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CVE-2009-2939

Date: September 21, 2009

The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.

Severity Score

Related Resources (5)

http://www.debian.org/security/2011/dsa-2233
https://nvd.nist.gov/vuln/detail/CVE-2009-2939
http://www.openwall.com/lists/oss-security/2009/09/18/6
https://people.canonical.com/~ubuntu-security/cve/CVE-2009-2939
https://www.mend.io/vulnerability-database/CVE-2009-2939

Severity Score

Weakness Type (CWE)

Improper Link Resolution Before File Access ('Link Following')

CWE-59

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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