zzcms 8.3 Cookie zs/subzs.php sql injection

Summaryinfo

A vulnerability was found in zzcms 8.3. It has been declared as critical. Impacted is an unknown function of the file zs/subzs.php of the component Cookie Handler. Executing a manipulation can lead to sql injection. This vulnerability is handled as CVE-2018-18785. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in zzcms 8.3 (Content Management System) and classified as critical. This vulnerability affects some unknown processing of the file zs/subzs.php of the component Cookie Handler. The manipulation 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. CVE summarizes:

An issue was discovered in zzcms 8.3. SQL Injection exists in zs/subzs.php with a zzcmscpid cookie to zs/search.php.

The bug was discovered 10/27/2018. The weakness was released 10/28/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-18785 since 10/28/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1505.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:zs/subzs.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.

Entries connected to this vulnerability are available at VDB-126075, VDB-126077, VDB-126078 and VDB-126079. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Content Management System

Name

• zzcms

Version

• 8.3

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Once again VulDB remains the best source for vulnerability data.

Discussion