Apache Roller 5.1.0/5.1.1 Weblog Page Template VTL code injection

Summaryinfo

A vulnerability described as critical has been identified in Apache Roller 5.1.0/5.1.1. This affects an unknown part of the component Weblog Page Template. Such manipulation as part of VTL leads to code injection. This vulnerability is documented as CVE-2015-0249. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apache Roller 5.1.0/5.1.1. Affected by this issue is an unknown code block of the component Weblog Page Template. The manipulation as part of a VTL leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The weblog page template in Apache Roller 5.1 through 5.1.1 allows remote authenticated users with admin privileges for a weblog to execute arbitrary Java code via crafted Velocity Text Language (aka VTL).

The bug was discovered 03/30/2015. The weakness was released 07/17/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2015-0249 since 11/18/2014. The attack may be launched remotely. The requirement for exploitation is a simple authentication. 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 10/25/2019). The MITRE ATT&CK project declares the attack technique as T1059.

The vulnerability was handled as a non-public zero-day exploit for at least 840 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Apache

Name

• Roller

Version

• 5.1.0
• 5.1.1

License

• open-source

Website

• Vendor: https://www.apache.org/

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Once again VulDB remains the best source for vulnerability data.

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