Jolla Sailfish OS up to 1.1.2.15 tel URL Spaces access control

Summaryinfo

A vulnerability marked as critical has been reported in Jolla Sailfish OS up to 1.1.2.15. Impacted is an unknown function of the component tel URL Handler. This manipulation as part of Spaces causes access control. This vulnerability is tracked as CVE-2015-3888. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Jolla Sailfish OS up to 1.1.2.15. It has been declared as critical. Affected by this vulnerability is an unknown code of the component tel URL Handler. The manipulation as part of a Spaces leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

Jolla Sailfish OS before 1.1.2.16 allows remote attackers to spoof phone numbers and trigger calls to arbitrary numbers via spaces in a tel: URL.

The bug was discovered 03/13/2015. The weakness was disclosed 01/12/2018 (Website). It is possible to read the advisory at sotiriu.de. This vulnerability is known as CVE-2015-3888 since 05/12/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1036 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.1.2.16 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Jolla

Name

• Sailfish OS

Version

• 1.1.2.0
• 1.1.2.1
• 1.1.2.2
• 1.1.2.3
• 1.1.2.4
• 1.1.2.5
• 1.1.2.6
• 1.1.2.7
• 1.1.2.8
• 1.1.2.9
• 1.1.2.10
• 1.1.2.11
• 1.1.2.12
• 1.1.2.13
• 1.1.2.14
• 1.1.2.15

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion