VDB-11180 · CVE-2013-6631 · BID 63673

Google Chrome/Chrome WebRTC 3.42/30.0.1599.101 voe_network_impl.cc DeRegisterExternalTransport use after free

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

A vulnerability, which was classified as very critical, has been found in Google Chrome and Chrome WebRTC 3.42/30.0.1599.101 (Web Browser). Affected by this issue is the function VoENetworkImpl::DeRegisterExternalTransport of the file voice_engine/voe_network_impl.cc. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in the Channel::SendRTCPPacket function in voice_engine/channel.cc in libjingle in WebRTC, as used in Google Chrome before 31.0.1650.48 and other products, allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via vectors that trigger the absence of certain statistics initialization, leading to the skipping of a required DeRegisterExternalTransport call.

The weakness was published 09/24/2013 by Patrik Höglund with Chromium Development Community as Stable Channel Update as confirmed blog post (Blogspot). The advisory is shared for download at googlechromereleases.blogspot.ch. The public release has been coordinated with the vendor. This vulnerability is handled as CVE-2013-6631 since 11/05/2013. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/02/2021). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 70986 (Debian DSA-2799-1 : chromium-browser - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166539 (OpenSuSE Security Update for chromium (openSUSE-SU-2013:1776-1)).

Upgrading to version 31.0.1650.48 or 3.43 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at chromium.googlesource.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (70986). Similar entries are available at 5661, 5662, 10842 and 10843.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70986
Nessus Name: Debian DSA-2799-1 : chromium-browser - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892799
OpenVAS Name: Debian Security Advisory DSA 2799-1 (chromium-browser - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Chrome/Chrome WebRTC 31.0.1650.48/3.43
Patch: chromium.googlesource.com

Timelineinfo

09/24/2013 🔍
09/24/2013 +0 days 🔍
11/05/2013 +42 days 🔍
11/12/2013 +7 days 🔍
11/13/2013 +1 days 🔍
11/18/2013 +5 days 🔍
11/18/2013 +0 days 🔍
06/02/2021 +2753 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update
Researcher: Patrik Höglund
Organization: Chromium Development Community
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-6631 (🔍)
OVAL: 🔍
IAVM: 🔍

Vulnerability Center: 42302 - Google Chrome Before 31.0.1650.48 Remote Use-After-Free Vulnerability in Libjingle - CVE-2013-6631, High
SecurityFocus: 63673
OSVDB: 99709

See also: 🔍

Entryinfo

Created: 11/18/2013 11:48
Updated: 06/02/2021 09:29
Changes: 11/18/2013 11:48 (84), 05/15/2017 11:32 (1), 06/02/2021 09:29 (2)
Complete: 🔍

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