CVE-2021-31870
 
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered in klibc before 2.0.9. Multiplication in the calloc() function may result in an integer overflow and a subsequent heap buffer overflow.
Se detectó un problema en klibc versiones anteriores a 2.0.9. Una multiplicación en la función calloc() puede resultar en un desbordamiento de enteros y un posterior desbordamiento del búfer de la pila.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-04-29 CVE Reserved
- 2021-04-30 CVE Published
- 2024-01-14 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-190: Integer Overflow or Wraparound
CAPEC
References (5)
URL | Tag | Source |
---|---|---|
http://www.openwall.com/lists/oss-security/2021/04/30/1 | Mailing List | |
https://kernel.org/pub/linux/libs/klibc/2.0 | Release Notes | |
https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html | Mailing List | |
https://lists.zytor.com/archives/klibc/2021-April/004593.html | Mailing List |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=292650f04c2b5348b4efbad61fb014ed09b4f3f2 | 2022-04-19 |
URL | Date | SRC |
---|
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Klibc Project Search vendor "Klibc Project" | Klibc Search vendor "Klibc Project" for product "Klibc" | < 2.0.9 Search vendor "Klibc Project" for product "Klibc" and version " < 2.0.9" | - |
Affected
| ||||||
Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
|