Octopus Deploy up to 3.15.3 Package Upload path traversal

Summaryinfo

A vulnerability was found in Octopus Deploy up to 3.15.3. It has been classified as critical. This affects an unknown function of the component Package Upload Handler. The manipulation leads to path traversal. This vulnerability is documented as CVE-2017-11348. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Octopus Deploy up to 3.15.3. It has been rated as critical. This issue affects an unknown code block of the component Package Upload Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is integrity, and availability. The summary by CVE is:

In Octopus Deploy 3.x before 3.15.4, an authenticated user with PackagePush permission to upload packages could upload a maliciously crafted NuGet package, potentially overwriting other packages or modifying system files. This is a directory traversal in the PackageId value.

The bug was discovered 07/11/2017. The weakness was released 07/17/2017 (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2017-11348 since 07/16/2017. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.15.4 eliminates this vulnerability.

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Productinfo

Vendor

• Octopus

Name

• Deploy

Version

• 3.15.0
• 3.15.1
• 3.15.2
• 3.15.3

License

• commercial

CPE 2.3info

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CPE 2.2info

• 🔍
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