YunoHost up to 2.7.14 HTTP Response Header Header Injection response splitting

Summaryinfo

A vulnerability marked as critical has been reported in YunoHost up to 2.7.14. This issue affects some unknown processing. The manipulation as part of HTTP Response Header leads to response splitting (Header Injection). This vulnerability is traded as CVE-2018-11347. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in YunoHost up to 2.7.14. It has been rated as critical. This issue affects an unknown code. The manipulation as part of a HTTP Response Header leads to a response splitting vulnerability (Header Injection). Using CWE to declare the problem leads to CWE-113. The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The YunoHost 2.7.2 through 2.7.14 web application is affected by one HTTP Response Header Injection. This flaw allows an attacker to inject, into the response from the server, one or several HTTP Header. It requires an interaction with the user to send him the malicious link. It could be used to perform other attacks such as user redirection to a malicious website, HTTP response splitting, or HTTP cache poisoning.

The bug was discovered 10/30/2018. The weakness was shared 12/04/2018 (Website). It is possible to read the advisory at bishopfox.com. The identification of this vulnerability is CVE-2018-11347 since 05/21/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 35 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-127440 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• YunoHost

Version

• 2.7.2
• 2.7.3
• 2.7.4
• 2.7.5
• 2.7.6
• 2.7.7
• 2.7.8
• 2.7.9
• 2.7.10
• 2.7.11
• 2.7.12
• 2.7.13
• 2.7.14

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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• 🔍
• 🔍

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Be aware that VulDB is the high quality source for vulnerability data.

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