CVE-2022-38178

CWE-401 — Memory LeakCWE-347CWE-400 — Uncontrolled Resource Consumption10 documents9 sources
Severity
7.5HIGH
EPSS
1.9%
top 16.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
ISC BindISC Bind9Debian Debian Linux+1 more
Timeline
PublishedSep 21
Latest updateAug 8

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶Debianbind9< 1:9.16.33-1~deb11u1+3
▶NVDisc/bind9.9.12 — 9.9.13+20
▶CVEListV5isc/bind97 versions+6

Also affects: Debian Linux 11.0, Fedora 35, 36, 37

Patches

Patch: www.openwall.com ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-349w-cgp3-287r: By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak↗2022-09-22
▶
OSV
CVE-2022-38178: By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak↗2022-09-21
▶
CVEList
Memory leaks in EdDSA DNSSEC verification code↗2022-09-21
▶

📋Vendor Advisories

5
Microsoft
.NET Core and Visual Studio Denial of Service Vulnerability↗2023-08-08
▶
Ubuntu
Bind vulnerabilities↗2022-09-21
▶
Red Hat
bind: memory leaks in EdDSA DNSSEC verification code↗2022-09-21
▶
Microsoft
Memory leaks in EdDSA DNSSEC verification code↗2022-09-13
▶
Debian
CVE-2022-38178: bind9 - By spoofing the target resolver with responses that have a malformed EdDSA signa...↗2022
▶
CVE-2022-38178 (HIGH CVSS 7.5) | By spoofing the target resolver wit | cvebase.io