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CVE-2022-38177

HIGH
Published 2022-09-21T10:15:28.292Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.005
probability
of exploitation in the wild

There is a 0.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.627
Higher than 62.7% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

By spoofing the target resolver with responses that have a malformed ECDSA 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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

ISC

BIND9

Affected Versions:

Open Source Branches 9.8 through 9.16 9.8.4 through versions before 9.16.33 Supported Preview Branches 9.9-S through 9.11-S 9.9.4-S1 through versions up to and including 9.11.37-S1 Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-5vfq-rv44-c5ff

Advisory Details

By spoofing the target resolver with responses that have a malformed ECDSA 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 Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2022-38177
WEB https://kb.isc.org/docs/cve-2022-38177
WEB https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S
WEB https://security.gentoo.org/glsa/202210-25
WEB https://security.netapp.com/advisory/ntap-20221228-0010
WEB https://www.debian.org/security/2022/dsa-5235
WEB http://www.openwall.com/lists/oss-security/2022/09/21/3

Advisory provided by GitHub Security Advisory Database. Published: September 22, 2022, Modified: May 28, 2025

References

https://kb.isc.org/docs/cve-2022-38177
http://www.openwall.com/lists/oss-security/2022/09/21/3
https://www.debian.org/security/2022/dsa-5235
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
https://security.gentoo.org/glsa/202210-25
https://security.netapp.com/advisory/ntap-20221228-0010/
Published: 2022-09-21T10:15:28.292Z
Last Modified: 2025-05-28T15:23:30.627Z
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