Contiki Operating System 3.0 httpd-simple.c use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Contiki Operating System 3.0. This affects an unknown function of the file httpd-simple.c. Executing a manipulation can lead to use after free. The identification of this vulnerability is CVE-2017-7295. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability was found in Contiki Operating System 3.0 (Feedback Software). It has been declared as problematic. This vulnerability affects some unknown functionality of the file httpd-simple.c. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability. CVE summarizes:
An issue was discovered in Contiki Operating System 3.0. A use-after-free vulnerability exists in httpd-simple.c in cc26xx-web-demo httpd, where upon a connection close event, the http_state structure was not deallocated properly, resulting in a NULL pointer dereference in the output processing function. This resulted in a board crash, which can be used to perform denial of service.
The bug was discovered 05/28/2017. The weakness was shared 05/28/2017 (Website). The advisory is shared for download at gist.github.com. This vulnerability was named CVE-2017-7295 since 03/28/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The entry VDB-101825 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
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: 🔍
Timeline
03/28/2017 🔍05/27/2017 🔍
05/28/2017 🔍
05/28/2017 🔍
05/28/2017 🔍
10/03/2020 🔍
Sources
Advisory: gist.github.comStatus: Not defined
CVE: CVE-2017-7295 (🔍)
GCVE (CVE): GCVE-0-2017-7295
GCVE (VulDB): GCVE-100-101824
OSVDB: - CVE-2017-7295 - Contiki-Os - Contiki - High
See also: 🔍
Entry
Created: 05/28/2017 12:46Updated: 10/03/2020 17:25
Changes: 05/28/2017 12:46 (57), 10/03/2020 17:25 (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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