Tumblr 3.4.0 on iOS Credential Transmission credentials management

Summaryinfo

A vulnerability identified as problematic has been detected in Tumblr 3.4.0 on iOS. This impacts an unknown function of the component Credential Transmission. The manipulation leads to credentials management. This vulnerability is uniquely identified as CVE-2013-4873. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Tumblr 3.4.0 on iOS (iOS App Software). It has been rated as problematic. This issue affects some unknown functionality of the component Credential Transmission. The manipulation with an unknown input leads to a credentials management vulnerability. Using CWE to declare the problem leads to CWE-255. Impacted is confidentiality. The summary by CVE is:

The Yahoo! Tumblr app before 3.4.1 for iOS sends cleartext credentials, which allows remote attackers to obtain sensitive information by sniffing the network.

The weakness was disclosed 07/16/2013 as confirmed advisory (Website). The advisory is shared at staff.tumblr.com. The identification of this vulnerability is CVE-2013-4873 since 07/18/2013. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

Upgrading to version 3.4.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

To block the ability to run scripts within the GroupWise client for Windows, administrators will need to update their GroupWise clients to version 8.0.3 Hot Patch 3 (or later) or 2012 Support Pack 2 (or later) AND do the following steps: 1. Create a new DWORD (32-bit) registry value under HKEY_CURRENT_USER\Software\Novell\GroupWise\Client\Setup\ 2. Enter "HTMLScriptsBlocked" (minus the quotes) in the "Value name" field 3. Enter "1" (minus the quotes) in the "Value data" field" 4. Click OK to save the new DWORD value Administrators can push out that registry setting to their Windows workstation using Novell ZENworks Configuration Management or another workstation-management utility.

The vulnerability is also documented in the databases at X-Force (85823), SecurityFocus (BID 61323†), OSVDB (95374†) and Secunia (SA54205†). newyorker.com is providing further details. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• iOS App Software

Name

• Tumblr

Version

• 3.4.0

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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