Multiple vulnerabilities in MediaWiki
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2018-0503 CVE-2018-0504 CVE-2018-0505 |
| CWE-ID | CWE-264 CWE-284 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
MediaWiki Web applications / CMS |
| Vendor | MediaWiki.org |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Security restrictions bypass
EUVDB-ID: #VU14825
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-0503
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to bypass certain security restrictions.
The vulnerability exists due to value of "$wgRateLimits" overrides setting for "newbie" users. A remote authenticated attacker can bypass intended limits.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMediaWiki: 1.27.0 - 1.31.0
External linkshttp://lists.wikimedia.org/pipermail/mediawiki-announce/2018-September/000223.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper access control
EUVDB-ID: #VU14826
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-0504
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to gain access to sensitive information.
The vulnerability exists due to incorrect validation of user privileges when log event is partially hidden. A remote authenticated attacker can access sensitive information from the log event via the 'Special:Redirect/logid' function.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMediaWiki: 1.27.0 - 1.31.0
External linkshttp://lists.wikimedia.org/pipermail/mediawiki-announce/2018-September/000223.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Improper access control
EUVDB-ID: #VU14827
Risk: Low
CVSSv3.1: 3.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-0505
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to bypass certain security restrictions.
The vulnerability exists due to incorrect validation of user privileges. A remote authenticated user with privileges to change user rights can bypass certain security controls.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMediaWiki: 1.27.0 - 1.31.0
External linkshttp://lists.wikimedia.org/pipermail/mediawiki-announce/2018-September/000223.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
