SELA up to 20200412 sela_file.cpp readFromFile heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in SELA up to 20200412. This affects the function file::SelaFile::readFromFile of the file sela_file.cpp. The manipulation results in heap-based overflow.
This vulnerability was named CVE-2021-39550. There is no available exploit.
Details
A vulnerability was found in SELA up to 20200412. It has been classified as critical. Affected is the function file::SelaFile::readFromFile of the file sela_file.cpp. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.
The weakness was presented 09/21/2021 as 30. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-39550 since 08/23/2021. 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.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.6VulDB Meta Temp Score: 6.6
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / 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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/23/2021 🔍09/21/2021 🔍
09/21/2021 🔍
09/30/2021 🔍
Sources
Advisory: 30Status: Confirmed
CVE: CVE-2021-39550 (🔍)
GCVE (CVE): GCVE-0-2021-39550
GCVE (VulDB): GCVE-100-183048
Entry
Created: 09/21/2021 09:47Updated: 09/30/2021 08:20
Changes: 09/21/2021 09:47 (38), 09/30/2021 08:16 (1), 09/30/2021 08:20 (18)
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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