CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability has been found in Microsoft Internet Explorer 11 (Web Browser) and classified as critical. Affected by this vulnerability is an unknown functionality of the component ASLR. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Microsoft Internet Explorer 11 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "Internet Explorer ASLR Bypass."
The issue has been introduced in 06/26/2013. The weakness was disclosed 05/12/2015 as MS15-043 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is known as CVE-2015-1685 since 02/17/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 $0-$5k at the moment (estimation calculated on 05/11/2022). It is expected to see the exploit prices for this product decreasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
The vulnerability was handled as a non-public zero-day exploit for at least 685 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 83358 (MS15-043: Cumulative Security Update for Internet Explorer (3049563)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100232 (Microsoft Internet Explorer Cumulative Security Update (MS15-043)).
Applying the patch MS15-043 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19822.
The vulnerability is also documented in the vulnerability database at Tenable (83358). Additional details are provided at krebsonsecurity.com. The entries 75247, 75248, 75249 and 75250 are pretty similar.
Product
Type
Vendor
Name
Version
License
Support
- end of life
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Access controlCWE: CWE-264
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: 83358
Nessus Name: MS15-043: Cumulative Security Update for Internet Explorer (3049563)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: MS15-043
TippingPoint: 🔍
Fortigate IPS: 🔍
Timeline
06/26/2013 🔍02/17/2015 🔍
05/12/2015 🔍
05/12/2015 🔍
05/12/2015 🔍
05/12/2015 🔍
05/12/2015 🔍
05/13/2015 🔍
05/13/2015 🔍
05/13/2015 🔍
05/11/2022 🔍
Sources
Vendor: microsoft.comAdvisory: MS15-043
Status: Confirmed
CVE: CVE-2015-1685 (🔍)
OVAL: 🔍
SecurityTracker: 1032282 - Microsoft Internet Explorer Multiple Bugs Let Remote Users Bypass ASLR and Execute Arbitrary Code
Vulnerability Center: 50014 - [MS15-043] Microsoft Internet Explorer 11 ASLR Security Bypass, Medium
SecurityFocus: 74516 - Microsoft Internet Explorer CVE-2015-1685 ASLR Security Bypass Vulnerability
Misc.: 🔍
See also: 🔍
Entry
Created: 05/13/2015 11:37Updated: 05/11/2022 08:29
Changes: 05/13/2015 11:37 (75), 04/07/2017 12:13 (8), 05/11/2022 08:29 (2)
Complete: 🔍
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