Kanboard up to 1.0.46 Form Data access control

Summaryinfo

A vulnerability categorized as critical has been discovered in Kanboard up to 1.0.46. Affected by this vulnerability is an unknown functionality of the component Form Data Handler. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2017-15211. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Kanboard up to 1.0.46 (Forum Software). This vulnerability affects an unknown functionality of the component Form Data Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In Kanboard before 1.0.47, by altering form data, an authenticated user can add an external link to a private project of another user.

The bug was discovered 10/04/2017. The weakness was presented 10/11/2017 (Website). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2017-15211 since 10/10/2017. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation needs a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

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 1.0.47 eliminates this vulnerability.

See VDB-107652, VDB-107653, VDB-107654 and VDB-107655 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Forum Software

Name

• Kanboard

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.0.8
• 1.0.9
• 1.0.10
• 1.0.11
• 1.0.12
• 1.0.13
• 1.0.14
• 1.0.15
• 1.0.16
• 1.0.17
• 1.0.18
• 1.0.19
• 1.0.20
• 1.0.21
• 1.0.22
• 1.0.23
• 1.0.24
• 1.0.25
• 1.0.26
• 1.0.27
• 1.0.28
• 1.0.29
• 1.0.30
• 1.0.31
• 1.0.32
• 1.0.33
• 1.0.34
• 1.0.35
• 1.0.36
• 1.0.37
• 1.0.38
• 1.0.39
• 1.0.40
• 1.0.41
• 1.0.42
• 1.0.43
• 1.0.44
• 1.0.45
• 1.0.46

License

• open-source

Website

• Product: https://github.com/kanboard/kanboard/

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