CVE-2022-2906
Memory leaks in code handling Diffie-Hellman key exchange via TKEY RRs (OpenSSL 3.0.0+ only)
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
An attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of resources. Upon restart the attacker would have to begin again, but nevertheless there is the potential to deny service.
Un atacante puede aprovechar este fallo para erosionar gradualmente la memoria disponible hasta el punto de que named sea bloqueado por falta de recursos. Al reiniciar, el atacante tendrĂa que empezar de nuevo, pero sin embargo se presenta la posibilidad de denegar el servicio
*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
- 2022-08-19 CVE Reserved
- 2022-09-21 CVE Published
- 2024-05-12 EPSS Updated
- 2024-09-17 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-401: Missing Release of Memory after Effective Lifetime
CAPEC
References (3)
URL | Tag | Source |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
http://www.openwall.com/lists/oss-security/2022/09/21/3 | 2022-12-03 | |
https://kb.isc.org/docs/cve-2022-2906 | 2022-12-03 |
URL | Date | SRC |
---|---|---|
https://security.gentoo.org/glsa/202210-25 | 2022-12-03 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Isc Search vendor "Isc" | Bind Search vendor "Isc" for product "Bind" | >= 9.18.0 < 9.18.7 Search vendor "Isc" for product "Bind" and version " >= 9.18.0 < 9.18.7" | - |
Affected
| ||||||
Isc Search vendor "Isc" | Bind Search vendor "Isc" for product "Bind" | >= 9.19.0 < 9.19.5 Search vendor "Isc" for product "Bind" and version " >= 9.19.0 < 9.19.5" | - |
Affected
|