Skype 2.8.x/5.1.x/5.3.x Notification denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Skype 2.8.x/5.1.x/5.3.x. Affected by this vulnerability is an unknown functionality of the component Notification Module. The manipulation results in denial of service. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Skype 2.8.x/5.1.x/5.3.x (Unified Communication Software). Affected is an unknown function of the component Notification Module. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was released 07/27/2011 by Benjamin Kunz Mejri as VL-ID 181 as not defined advisory (Website). The advisory is shared for download at vulnerability-lab.com. The exploitability is told to be easy. The attack needs to be approached locally. The successful exploitation requires a authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Benjamin Kunz Mejri and been published immediately after the advisory. The exploit is shared for download 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 21 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-91478, VDB-91477 and VDB-91475. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 2.9

VulDB Base Score: 3.3
VulDB Temp Score: 2.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

07/06/2011 🔍
07/27/2011 +21 days 🔍
07/27/2011 +0 days 🔍
09/11/2016 +1873 days 🔍
04/14/2019 +945 days 🔍

Sourcesinfo

Advisory: VL-ID 181
Researcher: Benjamin Kunz Mejri
Status: Not defined

GCVE (VulDB): GCVE-100-91476
scip Labs: https://www.scip.ch/en/?labs.20140918
See also: 🔍

Entryinfo

Created: 09/11/2016 21:59
Updated: 04/14/2019 16:32
Changes: 09/11/2016 21:59 (46), 04/14/2019 16:32 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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