CVE-2023-27530
rubygem-rack: Denial of service in Multipart MIME parsing
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to cause multipart parsing to take longer than expected.
A flaw was found in rubygem-rack. This issue occurs in the Multipart MIME parsing code in Rack, which limits the number of file parts but does not limit the total number of parts that can be uploaded. Carefully crafted requests can abuse this and cause multipart parsing to take longer than expected, resulting in a denial of service.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-03-02 CVE Reserved
- 2023-03-10 CVE Published
- 2024-10-15 CVE Updated
- 2024-10-29 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
- CWE-400: Uncontrolled Resource Consumption
- CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2023/04/msg00017.html | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20231208-0015 |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388 | 2023-12-08 |
| URL | Date | SRC |
|---|---|---|
| https://www.debian.org/security/2023/dsa-5530 | 2023-12-08 | |
| https://access.redhat.com/security/cve/CVE-2023-27530 | 2023-11-08 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2176477 | 2023-11-08 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Rack Project Search vendor "Rack Project" | Rack Search vendor "Rack Project" for product "Rack" | < 2.0.9.3 Search vendor "Rack Project" for product "Rack" and version " < 2.0.9.3" | ruby |
Affected
| ||||||
| Rack Project Search vendor "Rack Project" | Rack Search vendor "Rack Project" for product "Rack" | >= 2.1.0 < 2.1.4.3 Search vendor "Rack Project" for product "Rack" and version " >= 2.1.0 < 2.1.4.3" | ruby |
Affected
| ||||||
| Rack Project Search vendor "Rack Project" | Rack Search vendor "Rack Project" for product "Rack" | >= 2.2.0 < 2.2.6.3 Search vendor "Rack Project" for product "Rack" and version " >= 2.2.0 < 2.2.6.3" | ruby |
Affected
| ||||||
| Rack Project Search vendor "Rack Project" | Rack Search vendor "Rack Project" for product "Rack" | >= 3.0.0 < 3.0.4.2 Search vendor "Rack Project" for product "Rack" and version " >= 3.0.0 < 3.0.4.2" | ruby |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0" | - |
Affected
| ||||||