CVE-2021-42779
Severity Score
5.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.
Se encontró un problema de uso de memoria previamente liberada de la pila en Opensc versiones anteriores a 0.22.0, en la función sc_file_valid
*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
- 2021-10-21 CVE Reserved
- 2022-04-18 CVE Published
- 2023-11-09 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 | 2023-06-21 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2016086 | 2023-06-21 | |
| https://github.com/OpenSC/OpenSC/commit/1db88374 | 2023-06-21 |
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202209-03 | 2023-06-21 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Opensc Project Search vendor "Opensc Project" | Opensc Search vendor "Opensc Project" for product "Opensc" | < 0.22.0 Search vendor "Opensc Project" for product "Opensc" and version " < 0.22.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 33 Search vendor "Fedoraproject" for product "Fedora" and version "33" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Affected
| ||||||