LibVNCServer up to 0.9.13 libvncserver/translate.c denial of service ⚔ [Disputed]
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in LibVNCServer up to 0.9.13. It has been rated as problematic. This vulnerability affects unknown code of the file libvncserver/translate.c. The manipulation leads to denial of service. This vulnerability is listed as CVE-2020-14400. The attack may be initiated remotely. There is no available exploit. It is still unclear if this vulnerability genuinely exists.
Details
A vulnerability, which was classified as critical, has been found in LibVNCServer up to 0.9.13. This issue affects an unknown function of the file libvncserver/translate.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:
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.
The weakness was presented 06/17/2020. The identification of this vulnerability is CVE-2020-14400 since 06/17/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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.
The real existence of this vulnerability is still doubted at the moment.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
See VDB-156867, VDB-156866, VDB-156865 and VDB-156864 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: Denial of serviceCWE: 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
06/17/2020 🔍06/17/2020 🔍
06/18/2020 🔍
08/04/2024 🔍
Sources
Status: Not definedDisputed: 🔍
CVE: CVE-2020-14400 (🔍)
GCVE (CVE): GCVE-0-2020-14400
GCVE (VulDB): GCVE-100-156863
See also: 🔍
Entry
Created: 06/18/2020 09:22Updated: 08/04/2024 17:17
Changes: 06/18/2020 09:22 (35), 06/18/2020 09:27 (16), 08/04/2024 17:17 (18)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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