Summaryinfo

A vulnerability, which was classified as problematic, has been found in SPIP up to 3.1.6. This issue affects some unknown processing of the file prive/objets/contenu/auteur.html. The manipulation leads to cross site scripting (Stored). The identification of this vulnerability is CVE-2017-15736. The attack may be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability classified as problematic was found in SPIP up to 3.1.6 (Content Management System). This vulnerability affects some unknown functionality of the file prive/objets/contenu/auteur.html. The manipulation with an unknown input leads to a cross site scripting vulnerability (Stored). The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability (stored) in SPIP before 3.1.7 allows remote attackers to inject arbitrary web script or HTML via a crafted string, as demonstrated by a PGP field, related to prive/objets/contenu/auteur.html and ecrire/inc/texte_mini.php.

The bug was discovered 10/21/2017. The weakness was shared 10/22/2017 (Website). The advisory is available at core.spip.net. This vulnerability was named CVE-2017-15736 since 10/21/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

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 $0-$5k. By approaching the search of inurl:prive/objets/contenu/auteur.html it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 110537 (Debian DSA-4228-1 : spip - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176411 (Debian Security Update for spip (DSA 4228-1)).

Upgrading to version 3.1.7 eliminates this vulnerability. A possible mitigation has been published 9 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (110537). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Content Management System

Name

• SPIP

Version

• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6

License

• free

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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