D-Link DIR-605L/DIR-619L /bin/boa currTime memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.5 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical has been found in D-Link DIR-605L and DIR-619L. This issue affects some unknown processing of the file /bin/boa. Performing a manipulation of the argument currTime as part of Parameter results in memory corruption. This vulnerability is identified as CVE-2018-20056. The attack can be initiated remotely. There is not any exploit available.
Details
A vulnerability classified as critical has been found in D-Link DIR-605L and DIR-619L (Router Operating System) (version now known). This affects some unknown processing of the file /bin/boa. The manipulation of the argument currTime as part of a Parameter leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
An issue was discovered in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 and DIR-605L Rev.B 2.12B1 devices. There is a stack-based buffer overflow allowing remote attackers to execute arbitrary code without authentication via the goform/formLanguageChange currTime parameter.
The bug was discovered 12/11/2018. The weakness was released 12/11/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-20056 since 12/11/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/19/2020).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Entry connected to this vulnerability is available at VDB-127792. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.dlink.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.5
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: 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: 🔍
0-Day Time: 🔍
Timeline
12/11/2018 🔍12/11/2018 🔍
12/11/2018 🔍
12/11/2018 🔍
12/11/2018 🔍
04/19/2020 🔍
Sources
Vendor: dlink.comAdvisory: github.com
Status: Not defined
CVE: CVE-2018-20056 (🔍)
GCVE (CVE): GCVE-0-2018-20056
GCVE (VulDB): GCVE-100-127791
See also: 🔍
Entry
Created: 12/11/2018 16:07Updated: 04/19/2020 16:20
Changes: 12/11/2018 16:07 (58), 04/19/2020 16:20 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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