Google Chrome prior 47.0.2526.80 HTML Entity WebPageSerializerImpl.cpp openTagToString input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Chrome. This affects the function WebPageSerializerImpl::openTagToString of the file WebKit/Source/web/WebPageSerializerImpl.cpp of the component HTML Entity Handler. Executing a manipulation with the input '"' can lead to input validation. This vulnerability is registered as CVE-2015-6790. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Google Chrome (Web Browser) and classified as critical. This vulnerability affects the function WebPageSerializerImpl::openTagToString of the file WebKit/Source/web/WebPageSerializerImpl.cpp of the component HTML Entity Handler. The manipulation with the input value '"' leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect integrity. CVE summarizes:

The WebPageSerializerImpl::openTagToString function in WebKit/Source/web/WebPageSerializerImpl.cpp in the page serializer in Google Chrome before 47.0.2526.80 does not properly use HTML entities, which might allow remote attackers to inject arbitrary web script or HTML via a crafted document, as demonstrated by a double-quote character inside a single-quoted string.

The weakness was published 12/14/2015 (Website). The advisory is shared for download at codereview.chromium.org. This vulnerability was named CVE-2015-6790 since 08/31/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. 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 07/01/2022). 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 87360 (Debian DSA-3418-1 : chromium-browser - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196360 (Ubuntu Security Notification for Oxide-qt Vulnerabilities (USN-2860-1)).

Upgrading to version 47.0.2526.80 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (87360), SecurityFocus (BID 78734†) and Vulnerability Center (SBV-55022†). Similar entries are available at VDB-79778, VDB-79779, VDB-79781 and VDB-79782. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 87360
Nessus Name: Debian DSA-3418-1 : chromium-browser - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703418
OpenVAS Name: Debian Security Advisory DSA 3418-1 (chromium-browser - security update)
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 47.0.2526.80

Timelineinfo

08/31/2015 🔍
12/08/2015 +99 days 🔍
12/09/2015 +1 days 🔍
12/14/2015 +5 days 🔍
12/14/2015 +0 days 🔍
12/14/2015 +0 days 🔍
12/15/2015 +1 days 🔍
12/15/2015 +0 days 🔍
07/01/2022 +2390 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: USN-2860-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-6790 (🔍)
GCVE (CVE): GCVE-0-2015-6790
GCVE (VulDB): GCVE-100-79780

OVAL: 🔍

SecurityFocus: 78734
Vulnerability Center: 55022 - Google Chrome <47.0.2526.80 Unspecified Remote Vulnerability due to Escaping Issue in Saved Pages, Medium

See also: 🔍

Entryinfo

Created: 12/15/2015 09:15
Updated: 07/01/2022 04:01
Changes: 12/15/2015 09:15 (68), 05/14/2018 09:00 (10), 07/01/2022 03:54 (3), 07/01/2022 04:01 (1)
Complete: 🔍
Cache ID: 216:12C:103

Once again VulDB remains the best source for vulnerability data.

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