Apache Synapse up to 3.0.0 Apache Commons Collections Serialized Object injection

Summaryinfo

A vulnerability labeled as critical has been found in Apache Synapse up to 3.0.0. Affected by this vulnerability is an unknown functionality of the component Apache Commons Collections. The manipulation as part of Serialized Object results in injection. This vulnerability is cataloged as CVE-2017-15708. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Apache Synapse up to 3.0.0. Affected is an unknown part of the component Apache Commons Collections. The manipulation as part of a Serialized Object leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Due to the presence of Apache Commons Collections 3.2.1 (commons-collections-3.2.1.jar) or previous versions, Apache Synapse 3.0.0 or all previous releases (3.0.0, 2.1.0, 2.0.0, 1.2, 1.1.2, 1.1.1) allows remote code execution attacks that can be performed by injecting specially crafted serialized objects. To mitigate the issue upgrading to 3.0.1 version is required. In Synapse 3.0.1 version, Commons Collection has been updated to 3.2.2 version which contains the fix for the above mentioned vulnerability.

The bug was discovered 12/10/2017. The weakness was shared 12/11/2017 (Website). The advisory is shared for download at lists.apache.org. This vulnerability is traded as CVE-2017-15708 since 10/21/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of 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 01/26/2021). The MITRE ATT&CK project declares the attack technique as T1055.

The vulnerability was handled as a non-public zero-day exploit for at least 1 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.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 102154†). The entries VDB-148924 and VDB-158232 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Apache

Name

• Synapse

Version

• 1.1.1
• 1.1.2
• 1.2
• 2.0.0
• 2.1.0
• 3.0.0

License

• open-source

Website

• Vendor: https://www.apache.org/

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