GNU gcc lra-constraints.c match_reload denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in GNU gcc. This affects the function match_reload of the file lra-constraints.c. The manipulation leads to denial of service.
This vulnerability is documented as CVE-2020-35536. The attack can be initiated remotely. There is not any exploit available.
Details
A vulnerability was found in GNU gcc (affected version not known) and classified as problematic. This issue affects the function match_reload of the file lra-constraints.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:
In gcc, an internal compiler error in match_reload function at lra-constraints.c may cause a crash through a crafted input file.
The weakness was released 09/01/2022. It is possible to read the advisory at gcc.gnu.org. The identification of this vulnerability is CVE-2020-35536 since 12/17/2020. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Vendor
Name
License
Website
- Vendor: https://www.gnu.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.3
VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/17/2020 🔍09/01/2022 🔍
09/01/2022 🔍
10/10/2022 🔍
Sources
Vendor: gnu.orgAdvisory: gcc.gnu.org
Status: Confirmed
CVE: CVE-2020-35536 (🔍)
GCVE (CVE): GCVE-0-2020-35536
GCVE (VulDB): GCVE-100-207671
Entry
Created: 09/01/2022 15:00Updated: 10/10/2022 15:00
Changes: 09/01/2022 15:00 (38), 10/10/2022 15:00 (11)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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