CVE-2022-2906 : An attacker can leverage this flaw to gradually erode available memory to the po

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.

Published 2022-09-21 11:15:10

Updated 2022-12-03 01:06:20

Source Internet Systems Consortium (ISC)

View at NVD, CVE.org

Products affected by CVE-2022-2906

ISC » Bind »
Versions from including (>=) 9.19.0 and before (<) 9.19.5
cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
Matching versions
ISC » Bind »
Versions from including (>=) 9.18.0 and before (<) 9.18.7
cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
Matching versions

Threat overview for CVE-2022-2906

Top countries where our scanners detected CVE-2022-2906

Top open port discovered on systems with this issue 53

IPs affected by CVE-2022-2906 17,095

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2022-2906!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2022-2906

EPSS FAQ

0.13%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 47 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-2906

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	Internet Systems Consortium (ISC)
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2022-2906

CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-2906

https://kb.isc.org/docs/cve-2022-2906

CVE-2022-2906 Memory Leak in DH Code
Patch;Vendor Advisory
https://security.gentoo.org/glsa/202210-25

ISC BIND: Multiple Vulnerabilities (GLSA 202210-25) — Gentoo security
Third Party Advisory

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2022/09/21/3

oss-security - ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)
Mailing List;Patch;Third Party Advisory

CVEs referencing this url