CVE-2009-2939
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.
Published:Sep 21, 2009
Last Modified:Apr 23, 2026
EPS:Sep 21, 2009
EPSS Score:0.00024
CVSS Score:6.9
Affected Products
Vendor
Product
Action
Vendor
Debian
Product
Debian Linux
Debian
Debian Linux
Vendor
Postfix
Product
Postfix
Postfix
Postfix
Vendor
Ubuntu
Product
Ubuntu Linux
Ubuntu
Ubuntu Linux
Exploits
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
