FastStone Image Viewer 6.2 User Mode FSViewer.exe JPEG File memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in FastStone Image Viewer 6.2. Impacted is an unknown function of the file FSViewer.exe of the component User Mode. Such manipulation as part of JPEG File leads to memory corruption. This vulnerability is documented as CVE-2018-11701. The attack needs to be performed locally. There is not any exploit available.
Details
A vulnerability was found in FastStone Image Viewer 6.2 and classified as critical. Affected by this issue is an unknown part of the file FSViewer.exe of the component User Mode. The manipulation as part of a JPEG File 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. CVE summarizes:
FastStone Image Viewer 6.2 has a User Mode Write AV at 0x005cb509, triggered when the user opens a malformed JPEG file that is mishandled by FSViewer.exe. Attackers could exploit this issue for DoS (Access Violation) or possibly unspecified other impact.
The bug was discovered 06/19/2018. The weakness was released 06/20/2018 (Website). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2018-11701 since 06/04/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 371016 (FastStone Image Viewer Multiple Vulnerabilities).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Entries connected to this vulnerability are available at VDB-119697, VDB-119698, VDB-119699 and VDB-119700. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| 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: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
Timeline
06/04/2018 🔍06/19/2018 🔍
06/19/2018 🔍
06/20/2018 🔍
06/20/2018 🔍
02/20/2020 🔍
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2018-11701 (🔍)
GCVE (CVE): GCVE-0-2018-11701
GCVE (VulDB): GCVE-100-119696
See also: 🔍
Entry
Created: 06/20/2018 13:37Updated: 02/20/2020 14:41
Changes: 06/20/2018 13:37 (61), 02/20/2020 14:41 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.