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CVE-2022-38178

Good to know:

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Date: September 21, 2022

By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.

Language: C

Severity Score

Related Resources (5)

https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
http://www.openwall.com/lists/oss-security/2022/09/21/3
https://nvd.nist.gov/vuln/detail/CVE-2022-38178
https://www.mend.io/vulnerability-database/CVE-2022-38178

Severity Score

Weakness Type (CWE)

Improper Verification of Cryptographic Signature

CWE-347

Missing Release of Memory after Effective Lifetime

CWE-401

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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