Microsoft Edge/ChakraCore Chakra Scripting Engine memory corruption https://ift.tt/2VpXRzT
A vulnerability, which was classified as critical, has been found in Microsoft Edge and ChakraCore (Web Browser) (affected version not known). Affected by this issue is an unknown function of the component Chakra Scripting Engine. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability. The weakness was released 10/08/2019 as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. The public release was coordinated with the vendor. This vulnerability is handled as CVE-2019-1307 since 11/26/2018. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 09/26/2020). The advisory points out: A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability. Entries connected to this vulnerability are available at 143069, 143068 and 143067. Type Vendor Name VulDB Meta Base Score: 6.0 VulDB Meta Temp Score: 5.7 VulDB Base Score: 6.3VulDB Temp Score: 6.0VulDB Vector: ?VulDB Reliability: ?Vendor Base Score (Microsoft): 4.2 Vendor Vector (Microsoft): ?NVD Base Score: 7.5NVD Vector: ?
: ?VulDB Temp Score: ?VulDB Reliability: ?NVD Base Score: ?Class: Memory corruption ( CWE-119) Local: No Remote: Yes Availability: ?Status: Not defined Price Prediction: ?Current Price Estimation: ?
Threat IntelligenceinfoeditThreat: ?Adversaries: ?Geopolitics: ?Economy: ?Predictions: ?Remediation: ?Recommended: Patch Status: ?Reaction Time: ?0-Day Time: ?Exposure Time: ?11/26/2018 CVE assigned10/08/2019 +316 days Advisory disclosed10/08/2019 +0 daysCountermeasure disclosed 10/08/2019 +0 days VulDB entry created09/26/2020 +354 days VulDB last updateVendor: https://www.microsoft.com/Advisory: portal.msrc.microsoft.comStatus: Confirmed Coordinated: ?CVE: CVE-2019-1307( ?) See also: ?Created: 10/08/2019 08:53 PM Updated: 09/26/2020 03:55 PM Changes: ?Complete: ?Digital Trends via vuldb.com https://vuldb.com September 26, 2020 at 09:08AM
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