Skype 2.8.x/5.1.x/5.3.x Status Bar cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Skype 2.8.x/5.1.x/5.3.x. Affected by this issue is some unknown functionality of the component Status Bar. This manipulation causes cross site scripting. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Skype 2.8.x/5.1.x/5.3.x (Unified Communication Software). Affected by this vulnerability is an unknown functionality of the component Status Bar. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect integrity.

The weakness was disclosed 09/05/2011 by Benjamin Kunz Mejri as VL-ID 182 as not defined advisory (Website). The advisory is shared at vulnerability-lab.com. The public release has been coordinated in cooperation with the project team. The exploitation appears to be easy. An attack has to be approached locally. The successful exploitation needs a single authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

A public exploit has been developed by Benjamin Kunz Mejri and been published immediately after the advisory. It is possible to download the exploit at vulnerability-lab.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 60 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The entries VDB-91478, VDB-91476 and VDB-91475 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Benjamin Kunz Mejri
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

07/07/2011 🔍
09/05/2011 +60 days 🔍
09/05/2011 +0 days 🔍
09/11/2016 +1833 days 🔍
04/14/2019 +945 days 🔍

Sourcesinfo

Advisory: VL-ID 182
Researcher: Benjamin Kunz Mejri
Status: Not defined
Coordinated: 🔍

GCVE (VulDB): GCVE-100-91477
scip Labs: https://www.scip.ch/en/?labs.20140918
See also: 🔍

Entryinfo

Created: 09/11/2016 22:00
Updated: 04/14/2019 16:33
Changes: 09/11/2016 22:00 (48), 04/14/2019 16:33 (2)
Complete: 🔍
Cache ID: 216::103

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

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