Aterm HC100RC up to 1.0.1 netWizard.cgi date/time/offset memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.7 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Aterm HC100RC up to 1.0.1. This affects an unknown part of the file netWizard.cgi. The manipulation of the argument date/time/offset
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:
Buffer overflow in Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary code via netWizard.cgi date parameter, time parameter, and offset parameter.
The bug was discovered 07/12/2018. The weakness was disclosed 01/09/2019 (Website). The advisory is shared at jvn.jp. This vulnerability is uniquely identified as CVE-2018-0640 since 11/27/2017. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. Technical details are known, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 181 days. During that time the estimated underground price was around $0-$5k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The entries 128811, 128812, 128813 and 128814 are pretty similar.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.7
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.2
NVD Vector: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
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
11/27/2017 🔍07/12/2018 🔍
01/09/2019 🔍
01/09/2019 🔍
01/10/2019 🔍
04/27/2020 🔍
Sources
Advisory: jvn.jpStatus: Not defined
CVE: CVE-2018-0640 (🔍)
See also: 🔍
Entry
Created: 01/10/2019 10:07Updated: 04/27/2020 09:07
Changes: 01/10/2019 10:07 (59), 04/27/2020 09:07 (1)
Complete: 🔍
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