Apple Safari 5.1.7 on Windows Javascript Stack Memory JavaScriptCore.dll memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.4 | $25k-$100k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Apple Safari 5.1.7 on Windows. This affects an unknown part in the library JavaScriptCore.dll of the component Javascript Stack Memory Handler. Such manipulation leads to memory corruption. Moreover, an exploit is present.
Details
A vulnerability was found in Apple Safari 5.1.7 on Windows (Web Browser) and classified as very critical. Affected by this issue is some unknown functionality in the library JavaScriptCore.dll of the component Javascript Stack Memory Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 12/14/2013 by Lostmon with Personal Blog as Safari for windows 5.1.7 (7534.57.2) Remote code execution as not defined blog post (Blog). The advisory is shared for download at lostmon.blogspot.com.es. The public release happened without coordination with the vendor. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a private exploit are known. The current price for an exploit might be approx. USD $25k-$100k (estimation calculated on 03/24/2019). The advisory points out:
This issue is tiggered when safari try to allocate a large amount of data in javascript stack memory.
It is declared as proof-of-concept.
The blog post contains the following remark:
i don't like the responses from Apple amd this is a discontinued product…
The vulnerability is also documented in the vulnerability database at OSVDB (101175†). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.4
VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Private
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/14/2013 🔍12/20/2013 🔍
03/24/2019 🔍
Sources
Vendor: apple.comAdvisory: Safari for windows 5.1.7 (7534.57.2) Remote code execution
Researcher: Lostmon
Organization: Personal Blog
Status: Not defined
GCVE (VulDB): GCVE-100-11552
OSVDB: 101175
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 12/20/2013 16:05Updated: 03/24/2019 08:21
Changes: 12/20/2013 16:05 (47), 03/24/2019 08:21 (2)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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