Simplemachines SMF up to 2.0 SSI.php access control

Summaryinfo

A vulnerability, which was classified as critical, has been found in Simplemachines SMF. This impacts an unknown function of the file SSI.php. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2011-1127. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Simplemachines SMF. This issue affects an unknown functionality of the file SSI.php. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

SSI.php in Simple Machines Forum (SMF) before 1.1.13, and 2.x before 2.0 RC5, does not properly restrict guest access, which allows remote attackers to have an unspecified impact via unknown vectors.

The weakness was disclosed 06/20/2011 (Website). The advisory is shared at simplemachines.org. The identification of this vulnerability is CVE-2011-1127 since 03/02/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/09/2019). MITRE ATT&CK project uses the attack technique T1068 for this issue.

By approaching the search of inurl:SSI.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.1.11 eliminates this vulnerability.

The entries VDB-57741, VDB-57740, VDB-57739 and VDB-57738 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Simplemachines

Name

• SMF

Version

• 1.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.0.8
• 1.0.9
• 1.0.10
• 1.0.12
• 1.0.13
• 1.0.14
• 1.0.15
• 1.0.16
• 1.0.17
• 1.0.18
• 1.0.19
• 1.0.20
• 1.0.21
• 1.1
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4
• 1.1.5
• 1.1.6
• 1.1.7
• 1.1.8
• 1.1.9
• 1.1.10
• 1.1.11
• 1.1.12
• 2.0

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion