Advanced Comment System 1.0 admin.php page sql injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in Advanced Comment System 1.0. Affected by this vulnerability is an unknown functionality of the file internal/advanced_comment_system/admin.php. This manipulation of the argument page causes sql injection. This vulnerability appears as CVE-2018-18619. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Advanced Comment System 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file internal/advanced_comment_system/admin.php. The manipulation of the argument page with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

internal/advanced_comment_system/admin.php in Advanced Comment System 1.0 is prone to an SQL injection vulnerability because it fails to sufficiently sanitize user-supplied data before using it in an SQL query, allowing remote attackers to execute the sqli attack via a URL in the "page" parameter. NOTE: The product is discontinued.

The bug was discovered 11/12/2018. The weakness was presented 11/29/2018 as EDB-ID 45853 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2018-18619 since 10/23/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:internal/advanced_comment_system/admin.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45853). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• Advanced Comment System

Version

• 1.0

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion