Google Chrome up to 67.0.3396.87 WebRTC Video File memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Google Chrome. Affected is an unknown function of the component WebRTC. Performing a manipulation as part of Video File results in memory corruption. This vulnerability is identified as CVE-2018-6156. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Google Chrome (Web Browser). This affects some unknown functionality of the component WebRTC. The manipulation as part of a Video File leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Incorect derivation of a packet length in WebRTC in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to potentially exploit heap corruption via a crafted video file.

The bug was discovered 07/24/2018. The weakness was released 06/27/2019 (Website). It is possible to read the advisory at usn.ubuntu.com. This vulnerability is uniquely identified as CVE-2018-6156 since 01/23/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/17/2024). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 111407 (FreeBSD : chromium -- multiple vulnerabilities (b9c525d9-9198-11e8-beba-080027ef1a23)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371097 (Google Chrome Prior To 68.0.3440.75 Multiple Vulnerabilities).

Upgrading to version 68.0.3440.75 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111407). Entries connected to this vulnerability are available at VDB-127496, VDB-128961, VDB-128962 and VDB-128963. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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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Nessus ID: 111407
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (b9c525d9-9198-11e8-beba-080027ef1a23)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 68.0.3440.75

Timelineinfo

01/23/2018 🔍
07/24/2018 +182 days 🔍
07/27/2018 +3 days 🔍
07/30/2018 +3 days 🔍
06/27/2019 +332 days 🔍
06/27/2019 +0 days 🔍
07/17/2024 +1847 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: USN-4165-1
Status: Not defined

CVE: CVE-2018-6156 (🔍)
GCVE (CVE): GCVE-0-2018-6156
GCVE (VulDB): GCVE-100-136971

OVAL: 🔍

OSVDB: - Google Chrome WebRTC buffer overflow

See also: 🔍

Entryinfo

Created: 06/27/2019 21:59
Updated: 07/17/2024 04:44
Changes: 06/27/2019 21:59 (74), 06/28/2020 12:43 (1), 10/08/2023 18:25 (4), 07/17/2024 04:44 (17)
Complete: 🔍
Cache ID: 216::103

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

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