WebkitGTK+ ApplyStyleCommand splitAncestorsWithUnicodeBidi memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.5 | $0-$5k | 0.00 |
A vulnerability classified as very critical was found in WebkitGTK+ (Web Browser) (unknown version). This vulnerability affects the function splitAncestorsWithUnicodeBidi
of the component ApplyStyleCommand. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Multiple unspecified vulnerabilities in Google Chrome before 27.0.1453.93 allow attackers to cause a denial of service or possibly have other impact via unknown vectors.
The weakness was disclosed 04/16/2013 as 232865 as confirmed advisory (Website). The advisory is available at code.google.com. This vulnerability was named CVE-2013-2836 since 04/11/2013. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/29/2019).
The vulnerability scanner Nessus provides a plugin with the ID 66549 (FreeBSD : chromium -- multiple vulnerabilities (358133b5-c2b9-11e2-a738-00262d5ed8ee)), 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 121201 (Google Chrome Prior to 27.0.1453.93 Multiple Vulnerabilities).
Applying a patch is able to eliminate this problem. The bugfix is ready for download at trac.webkit.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (66549). The entries 8503, 8559, 8661 and 8840 are pretty similar.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.5
VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 66549
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (358133b5-c2b9-11e2-a738-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 803705
OpenVAS Name: Google Chrome Multiple Vulnerabilities-01 May13 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: trac.webkit.org
Timeline
04/11/2013 🔍04/16/2013 🔍
04/16/2013 🔍
05/21/2013 🔍
05/22/2013 🔍
05/23/2013 🔍
05/28/2013 🔍
05/29/2013 🔍
04/29/2019 🔍
Sources
Advisory: 232865Status: Confirmed
Confirmation: 🔍
CVE: CVE-2013-2836 (🔍)
OVAL: 🔍
SecurityFocus: 60062 - Google Chrome CVE-2013-2836 Multiple Unspecified Security Vulnerabilities
Secunia: 53586 - SRWare Iron Multiple Vulnerabilities, Highly Critical
OSVDB: 93684
See also: 🔍
Entry
Created: 05/29/2013 11:30Updated: 04/29/2019 09:47
Changes: 05/29/2013 11:30 (77), 04/29/2019 09:47 (2)
Complete: 🔍
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