CVE-2021-44758
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.
Heimdal anterior a 7.7.1 permite a los atacantes provocar una desreferencia de puntero NULL en un aceptador SPNEGO a través de preferred_mech_type de GSS_C_NO_OID y un valor nonzero initial_response distinto de cero para send_accept.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-12-08 CVE Reserved
- 2022-11-23 CVE Published
- 2024-08-04 CVE Updated
- 2024-08-16 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://github.com/heimdal/heimdal/security/advisories/GHSA-69h9-669w-88xv | Third Party Advisory | |
| https://security.gentoo.org/glsa/202310-06 |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f22580 | 2023-10-08 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Heimdal Project Search vendor "Heimdal Project" | Heimdal Search vendor "Heimdal Project" for product "Heimdal" | < 7.7.1 Search vendor "Heimdal Project" for product "Heimdal" and version " < 7.7.1" | - |
Affected
| ||||||