InstallBuilder AutoUpdate Tool/Installer up to 19.10 Billion Laughs resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in InstallBuilder AutoUpdate Tool and Installer up to 19.10 and classified as problematic. Impacted is an unknown function. The manipulation leads to resource consumption (Billion Laughs). This vulnerability is referenced as CVE-2020-3946. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.
Details
A vulnerability was found in InstallBuilder AutoUpdate Tool and Installer up to 19.10. It has been rated as problematic. This issue affects an unknown part. The manipulation with an unknown input leads to a resource consumption vulnerability (Billion Laughs). Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:
InstallBuilder AutoUpdate tool and regular installers enabling <checkForUpdates> built with versions earlier than 19.11 are vulnerable to Billion laughs attack (denial-of-service).
The weakness was published 04/20/2020 (Website). It is possible to read the advisory at blog.installbuilder.com. The identification of this vulnerability is CVE-2020-3946 since 12/30/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
Upgrading to version 19.11 eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
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
Name: Billion LaughsClass: Resource consumption / Billion Laughs
CWE: CWE-400 / 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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: AutoUpdate Tool/Installer 19.11
Timeline
12/30/2019 🔍04/20/2020 🔍
04/21/2020 🔍
10/10/2020 🔍
Sources
Advisory: blog.installbuilder.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2020-3946 (🔍)
GCVE (CVE): GCVE-0-2020-3946
GCVE (VulDB): GCVE-100-154115
Entry
Created: 04/21/2020 08:03Updated: 10/10/2020 13:35
Changes: 04/21/2020 08:03 (39), 04/21/2020 08:08 (17), 10/10/2020 13:35 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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