IBM Security Access Manager Appliance up to 9.0.5.0 Blacklist access control

Summaryinfo

A vulnerability labeled as critical has been found in IBM Security Access Manager Appliance 9.0.1.0/9.0.2.0/9.0.3.0/9.0.4.0/9.0.5.0. This issue affects some unknown processing of the component Blacklist. The manipulation results in access control. This vulnerability is identified as CVE-2018-1813. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in IBM Security Access Manager Appliance 9.0.1.0/9.0.2.0/9.0.3.0/9.0.4.0/9.0.5.0 (Network Authentication Software). Affected is an unknown part of the component Blacklist. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

IBM Security Access Manager Appliance 9.0.1.0, 9.0.2.0, 9.0.3.0, 9.0.4.0, and 9.0.5.0 uses incomplete blacklisting for input validation which allows attackers to bypass application controls resulting in direct impact to the system and data integrity. IBM X-Force ID: 150017.

The bug was discovered 12/11/2018. The weakness was released 12/13/2018 (Website). The advisory is shared for download at exchange.xforce.ibmcloud.com. This vulnerability is traded as CVE-2018-1813 since 12/13/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/19/2023). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1068.

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 $5k-$25k.

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-127950, VDB-127942, VDB-127949 and VDB-127951. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Network Authentication Software

Vendor

• IBM

Name

• Security Access Manager Appliance

Version

• 9.0.1.0
• 9.0.2.0
• 9.0.3.0
• 9.0.4.0
• 9.0.5.0

License

• commercial

Website

• Vendor: https://www.ibm.com/

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Once again VulDB remains the best source for vulnerability data.

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