CVE-2018-19274
HIGH
7.2
CVSS Score
Published: November 17, 2018 at 01:00 PM UTC
Updated: June 17, 2026 at 01:49 AM UTC
2 products affected across 2 vendorsDebian LinuxphpBB
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Severity
HIGH7.2
Exploit prediction
EPSS 5%
Description
Passing an absolute path to a file_exists check in phpBB before 3.2.4 allows Remote Code Execution through Object Injection by employing Phar deserialization when an attacker has access to the Admin Control Panel with founder permissions.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 3.2.4
Affected range stops below 3.2.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://blog.ripstech.com/2018/phpbb3-phar-deserialization-to-remote-code-execution/Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2018/11/msg00029.htmlx_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://www.phpbb.com/community/viewtopic.php?f=14&t=2492206CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-502CWE-1321
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