libfpx 1.3.1_p6 fpx Image wchar.c null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in libfpx 1.3.1_p6. It has been classified as problematic. This affects an unknown function of the file wchar.c of the component fpx Image Handler. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2017-12922. The attack is possible to be carried out remotely. No exploit exists.
Details
A vulnerability has been found in libfpx 1.3.1_p6 and classified as problematic. Affected by this vulnerability is an unknown code block of the file wchar.c of the component fpx Image Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:
wchar.c in libfpx 1.3.1_p6 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted fpx image.
The bug was discovered 08/09/2017. The weakness was disclosed 08/28/2017 (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2017-12922 since 08/17/2017. 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. Technical details are known, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 19 days. During that time the estimated underground price was around $0-$5k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The entries VDB-105820, VDB-105819, VDB-105818 and VDB-105816 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.4
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/09/2017 🔍08/17/2017 🔍
08/28/2017 🔍
08/28/2017 🔍
08/29/2017 🔍
11/10/2019 🔍
Sources
Advisory: openwall.comStatus: Not defined
CVE: CVE-2017-12922 (🔍)
GCVE (CVE): GCVE-0-2017-12922
GCVE (VulDB): GCVE-100-105817
See also: 🔍
Entry
Created: 08/29/2017 10:35Updated: 11/10/2019 20:12
Changes: 08/29/2017 10:35 (51), 11/10/2019 20:12 (7)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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