Multiple vulnerabilities in phpBB
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2019-9826 CVE-2019-11767 |
| CWE-ID | CWE-20 CWE-918 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
phpBB Web applications / Forum & blogging software |
| Vendor | phpBB Group |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Input validation error
EUVDB-ID: #VU18414
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-9826
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due unspecified error within the fulltext search component. A remote attacker can perform denial of service attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsphpBB: 3.0.0 - 3.2.5
External linkshttp://www.openwall.com/lists/oss-security/2019/04/29/3
http://lists.debian.org/debian-lts-announce/2019/05/msg00004.html
http://www.phpbb.com/community/viewtopic.php?f=14&t=2509941
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Server-Side Request Forgery (SSRF)
EUVDB-ID: #VU18415
Risk: Medium
CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11767
CWE-ID:
CWE-918 - Server-Side Request Forgery (SSRF)
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input within the avatar upload function. A remote attacker can send a specially crafted HTTP request to the affected application and trick it to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsphpBB: 3.0.0 - 3.2.5
External linkshttp://www.phpbb.com/community/viewtopic.php?f=14&t=2509941
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
