postfix_groups.pl in Postfix 2.5.2 allows local users to overwrite arbitrary files via a…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
postfix_groups.pl in Postfix 2.5.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, and (3) /tmp/postfix_groups.message temporary files. NOTE: the vendor disputes this vulnerability, stating "This is not a real issue ... users would have to edit a script under /usr/lib to enable it.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-4977
- 2026-10-03 Alias added: GHSA-27q6-288h-36j9
References
More Postfix vulnerabilities
- TI-2011-01499 The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and… CVSS 2.0MEDIUM 6.8
- TI-2011-00345 The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x… CVSS 2.0MEDIUM 6.8
- TI-2023-28393 Postfix through 3.8.5 allows SMTP smuggling unless configured with… CVSS 3.1MEDIUM 5.3
- TI-2017-07491 Postfix before 2.11.10, 3.0.x before 3.0.10, 3.1.x before 3.1.6, and 3.2.x before 3.2.2… CVSS 3.0HIGH 7.8
- TI-2026-32009 Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a… CVSS 3.1HIGH 7.5
- TI-2012-00748 Multiple SQL injection vulnerabilities in Postfix Admin (aka postfixadmin) before 2.3.5… CVSS 2.0MEDIUM 6.5
Sources
- CVE-2008-4977 · CVE Program
- CVE-2008-4977 · NVD
- FIRST EPSS
- GHSA-27q6-288h-36j9 · GitHub Advisory Database · CC BY 4.0
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