Vulnerability · Published Sep 21, 2022 · Assigned by isc
CVE-2022-38177Memory leak in ECDSA DNSSEC verification code
High 7.5
In plain English
A high-severity memory leak in BIND9 from ISC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.3% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)3.3%top 11.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bind | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:9 | bind | 32:9.16.23-1.el9_0.1 | ALSA-2022:6763 |
| AlmaLinux:8 | bind-chroot | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:9 | bind-chroot | 32:9.16.23-1.el9_0.1 | ALSA-2022:6763 |
| AlmaLinux:8 | bind-devel | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:9 | bind-devel | 32:9.16.23-1.el9_0.1 | ALSA-2022:6763 |
| AlmaLinux:9 | bind-dnssec-doc | 32:9.16.23-1.el9_0.1 | ALSA-2022:6763 |
| AlmaLinux:9 | bind-dnssec-utils | 32:9.16.23-1.el9_0.1 | ALSA-2022:6763 |
| AlmaLinux:8 | bind-export-devel | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:8 | bind-export-libs | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:8 | bind-libs | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:9 | bind-libs | 32:9.16.23-1.el9_0.1 | ALSA-2022:6763 |
| AlmaLinux:8 | bind-libs-lite | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:8 | bind-license | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:9 | bind-license | 32:9.16.23-1.el9_0.1 | ALSA-2022:6763 |
| AlmaLinux:8 | bind-lite-devel | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:8 | bind-pkcs11 | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:8 | bind-pkcs11-devel | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:8 | bind-pkcs11-libs | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:8 | bind-pkcs11-utils | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:8 | bind-sdb | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:8 | bind-sdb-chroot | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:8 | bind-utils | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:9 | bind-utils | 32:9.16.23-1.el9_0.1 | ALSA-2022:6763 |
| AlmaLinux:8 | bind9.16 | 32:9.16.23-0.7.el8_6.1 | ALSA-2022:6781 |
| AlmaLinux:8 | bind9.16-chroot | 32:9.16.23-0.7.el8_6.1 | ALSA-2022:6781 |
| AlmaLinux:8 | bind9.16-devel | 32:9.16.23-0.7.el8_6.1 | ALSA-2022:6781 |
| AlmaLinux:8 | bind9.16-dnssec-utils | 32:9.16.23-0.7.el8_6.1 | ALSA-2022:6781 |
| AlmaLinux:8 | bind9.16-doc | 32:9.16.23-0.7.el8_6.1 | ALSA-2022:6781 |
| AlmaLinux:8 | bind9.16-libs | 32:9.16.23-0.7.el8_6.1 | ALSA-2022:6781 |
| AlmaLinux:8 | bind9.16-license | 32:9.16.23-0.7.el8_6.1 | ALSA-2022:6781 |
| AlmaLinux:8 | bind9.16-utils | 32:9.16.23-0.7.el8_6.1 | ALSA-2022:6781 |
| AlmaLinux:8 | python3-bind | 32:9.11.36-3.el8_6.1 | ALSA-2022:6778 |
| AlmaLinux:9 | python3-bind | 32:9.16.23-1.el9_0.1 | ALSA-2022:6763 |
| AlmaLinux:8 | python3-bind9.16 | 32:9.16.23-0.7.el8_6.1 | ALSA-2022:6781 |
| Alpine:v3.20 | bind | 9.18.7-r0 | ALPINE-CVE-2022-38177 |
| Alpine:v3.21 | bind | 9.18.7-r0 | ALPINE-CVE-2022-38177 |
| Alpine:v3.22 | bind | 9.18.7-r0 | ALPINE-CVE-2022-38177 |
| Alpine:v3.23 | bind | 9.18.7-r0 | ALPINE-CVE-2022-38177 |
| Alpine:v3.24 | bind | 9.18.7-r0 | ALPINE-CVE-2022-38177 |
| Debian:12 | bind9 | 1:9.17.20-1 | DEBIAN-CVE-2022-38177 |
| Debian:13 | bind9 | 1:9.17.20-1 | DEBIAN-CVE-2022-38177 |
| Debian:14 | bind9 | 1:9.17.20-1 | DEBIAN-CVE-2022-38177 |
| Rocky Linux:8 | bind | 2:9.11.36-3.el8_6.1 | RLSA-2022:6778 |
| Rocky Linux:9 | bind | 2:9.16.23-1.el9_0.1 | RLSA-2022:6763 |
| Rocky Linux:8 | bind9.16 | 2:9.16.23-0.7.el8_6.1 | RLSA-2022:6781 |
| Ubuntu:22.04:LTS | bind9 | 1:9.18.1-1ubuntu1.2 | USN-5626-1 |
Affected products (as reported)
Weakness: CWE-401 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://kb.isc.org/docs/cve-2022-38177
- [oss-security] 20220921 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
- DSA-5235 vendor-advisory
- FEDORA-2022-ef038365de vendor-advisory
- FEDORA-2022-8268735e06 vendor-advisory
- FEDORA-2022-b197d64471 vendor-advisory
- [debian-lts-announce] 20221005 [SECURITY] [DLA 3138-1] bind9 security update mailing-list
- GLSA-202210-25 vendor-advisory
- https://security.netapp.com/advisory/ntap-20221228-0010/