VDB-107164 · CVE-2017-14748 · BID 101087

Blizzard Overwatch 1.15.0.2 Competitive Match race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
4.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Blizzard Overwatch 1.15.0.2. This affects an unknown part of the component Competitive Match Handler. Executing a manipulation can lead to race condition. The identification of this vulnerability is CVE-2017-14748. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Blizzard Overwatch 1.15.0.2. This vulnerability affects an unknown functionality of the component Competitive Match Handler. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect availability. CVE summarizes:

Race condition in Blizzard Overwatch 1.15.0.2 allows remote authenticated users to cause a denial of service (season bans and SR losses for other users) by leaving a competitive match at a specific time during the initial loading of that match.

The bug was discovered 09/21/2017. The weakness was shared 09/26/2017 (Website). The advisory is shared for download at us.battle.net. This vulnerability was named CVE-2017-14748 since 09/26/2017. The attack can be initiated remotely. The successful exploitation needs a single authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/14/2021).

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 101087†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/21/2017 🔍
09/26/2017 +5 days 🔍
09/26/2017 +0 days 🔍
09/26/2017 +0 days 🔍
09/26/2017 +0 days 🔍
09/27/2017 +1 days 🔍
01/14/2021 +1205 days 🔍

Sourcesinfo

Advisory: us.battle.net
Researcher: Chromega.
Status: Not defined

CVE: CVE-2017-14748 (🔍)
GCVE (CVE): GCVE-0-2017-14748
GCVE (VulDB): GCVE-100-107164
SecurityFocus: 101087 - Blizzard Overwatch CVE-2017-14748 Denial of Service Vulnerability

Entryinfo

Created: 09/27/2017 08:52
Updated: 01/14/2021 14:41
Changes: 09/27/2017 08:52 (44), 11/20/2019 07:17 (9), 01/14/2021 14:36 (13), 01/14/2021 14:41 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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