GitHub Enterprise Server up to 2.18.19/2.19.14/2.20.8 API improper authorization

Summaryinfo

A vulnerability was found in GitHub Enterprise Server up to 2.18.19/2.19.14/2.20.8 and classified as critical. Affected by this issue is some unknown functionality of the component API. Executing a manipulation can lead to improper authorization. This vulnerability is tracked as CVE-2020-10516. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in GitHub Enterprise Server up to 2.18.19/2.19.14/2.20.8 (Bug Tracking Software) and classified as critical. This vulnerability affects an unknown code of the component API. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An improper access control vulnerability was identified in the GitHub Enterprise Server API that allowed an organization member to escalate permissions and gain access to unauthorized repositories within an organization. This vulnerability affected all versions of GitHub Enterprise Server prior to 2.21 and was fixed in 2.20.9, 2.19.15, and 2.18.20. This vulnerability was reported via the GitHub Bug Bounty program.

The weakness was disclosed 06/03/2020. This vulnerability was named CVE-2020-10516 since 03/12/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading to version 2.18.20, 2.19.15 or 2.20.9 eliminates this vulnerability.

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Productinfo

Type

• Bug Tracking Software

Vendor

• GitHub

Name

• Enterprise Server

Version

• 2.18.0
• 2.18.1
• 2.18.2
• 2.18.3
• 2.18.4
• 2.18.5
• 2.18.6
• 2.18.7
• 2.18.8
• 2.18.9
• 2.18.10
• 2.18.11
• 2.18.12
• 2.18.13
• 2.18.14
• 2.18.15
• 2.18.16
• 2.18.17
• 2.18.18
• 2.18.19
• 2.19.0
• 2.19.1
• 2.19.2
• 2.19.3
• 2.19.4
• 2.19.5
• 2.19.6
• 2.19.7
• 2.19.8
• 2.19.9
• 2.19.10
• 2.19.11
• 2.19.12
• 2.19.13
• 2.19.14
• 2.20.0
• 2.20.1
• 2.20.2
• 2.20.3
• 2.20.4
• 2.20.5
• 2.20.6
• 2.20.7
• 2.20.8

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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