uftpd FTP Server up to 2.10 common.c handle_PORT buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in uftpd FTP Server up to 2.10. It has been declared as critical. Affected by this vulnerability is the function handle_PORT of the file common.c. Executing a manipulation can lead to buffer overflow.
This vulnerability is handled as CVE-2020-20276. The attack can be executed remotely. There is not any exploit available.
It is best practice to apply a patch to resolve this issue.
Details
A vulnerability was found in uftpd FTP Server up to 2.10 (File Transfer Software). It has been declared as critical. This vulnerability affects the function handle_PORT of the file common.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 12/19/2020. The advisory is available at arinerron.com. This vulnerability was named CVE-2020-20276. Technical details are known, but there is no available exploit.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.
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Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / 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: PatchStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
12/19/2020 🔍12/19/2020 🔍
06/04/2022 🔍
Sources
Advisory: arinerron.comStatus: Not defined
CVE: CVE-2020-20276 (🔍)
GCVE (CVE): GCVE-0-2020-20276
GCVE (VulDB): GCVE-100-166606
Entry
Created: 12/19/2020 08:02Updated: 06/04/2022 10:52
Replaces Duplicates: 🔍
Changes: 12/19/2020 08:02 (40), 06/04/2022 10:52 (4)
Complete: 🔍
Cache ID: 216::103
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