CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability was found in H2O up to 2.2.3. It has been rated as problematic. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a range error vulnerability. Using CWE to declare the problem leads to CWE-118. The product does not restrict or incorrectly restricts operations within the boundaries of a resource that is accessed using an index or pointer, such as memory or files. Impacted is availability. CVE summarizes:
H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via unspecified vectors.
The bug was discovered 12/18/2017. The weakness was released 12/22/2017 (Website). The advisory is shared for download at jvn.jp. This vulnerability is handled as CVE-2017-10872 since 07/04/2017. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is needed for exploitation. There are neither technical details nor an exploit publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.
Addressing this vulnerability is possible by firewalling .
Product
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: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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: Range errorCWE: CWE-118
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
OpenVAS ID: 864859
OpenVAS Name: H2O HTTP Server Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: FirewallStatus: 🔍
0-Day Time: 🔍
Timeline
07/04/2017 🔍12/18/2017 🔍
12/22/2017 🔍
12/22/2017 🔍
12/23/2017 🔍
01/18/2023 🔍
Sources
Advisory: 1543Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-10872 (🔍)
Entry
Created: 12/23/2017 09:40Updated: 01/18/2023 19:06
Changes: 12/23/2017 09:40 (61), 12/17/2019 13:47 (1), 01/18/2023 19:06 (3)
Complete: 🔍
Cache ID: 3:E34:103
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