CVE-2022-38178: Memory leaks in EdDSA DNSSEC verification code
First published: Wed Sep 21 2022(Updated: )
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.
Credit: security-officer@isc.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/bind | <32:9.11.4-26.P2.el7_9.10 | 32:9.11.4-26.P2.el7_9.10 |
| redhat/bind | <32:9.11.36-3.el8_6.1 | 32:9.11.36-3.el8_6.1 |
| redhat/bind9.16 | <32:9.16.23-0.7.el8_6.1 | 32:9.16.23-0.7.el8_6.1 |
| redhat/bind | <32:9.11.4-26.P2.el8_1.6 | 32:9.11.4-26.P2.el8_1.6 |
| redhat/bind | <32:9.11.13-6.el8_2.4 | 32:9.11.13-6.el8_2.4 |
| redhat/bind | <32:9.11.26-4.el8_4.1 | 32:9.11.26-4.el8_4.1 |
| redhat/bind | <32:9.16.23-1.el9_0.1 | 32:9.16.23-1.el9_0.1 |
| debian/bind9 | <=1:9.11.5.P4+dfsg-5.1+deb10u7 | 1:9.11.5.P4+dfsg-5.1+deb10u9 1:9.16.44-1~deb11u1 1:9.18.19-1~deb12u1 1:9.19.17-1 |
| redhat/bind | <9.16.33 | 9.16.33 |
| redhat/bind | <9.18.7 | 9.18.7 |
| redhat/bind | <9.19.5 | 9.19.5 |
| ISC BIND | >=9.9.12<=9.9.13 | |
| ISC BIND | >=9.10.7<=9.10.8 | |
| ISC BIND | >=9.11.3<=9.16.32 | |
| ISC BIND | =9.11.3-s1 | |
| ISC BIND | =9.11.3-s4 | |
| Isc Bind Supported Preview | =9.11.5-s3 | |
| ISC BIND | =9.11.5-s3 | |
| ISC BIND | =9.11.5-s5 | |
| ISC BIND | =9.11.5-s6 | |
| ISC BIND | =9.11.6-s1 | |
| ISC BIND | =9.11.7-s1 | |
| ISC BIND | =9.11.8-s1 | |
| ISC BIND | =9.11.12-s1 | |
| ISC BIND | =9.11.14-s1 | |
| ISC BIND | =9.11.19-s1 | |
| ISC BIND | =9.11.21-s1 | |
| ISC BIND | =9.11.27-s1 | |
| ISC BIND | =9.11.29-s1 | |
| ISC BIND | =9.11.35-s1 | |
| ISC BIND | =9.11.37-s1 | |
| ISC BIND | =9.16.8-s1 | |
| ISC BIND | =9.16.11-s1 | |
| ISC BIND | =9.16.13-s1 | |
| ISC BIND | =9.16.21-s1 | |
| ISC BIND | =9.16.32-s1 | |
| Debian Debian Linux | =11.0 | |
| Fedoraproject Fedora | =35 | |
| Fedoraproject Fedora | =36 | |
| Fedoraproject Fedora | =37 | |
| Netapp Active Iq Unified Manager Vmware Vsphere |
Remedy
Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.33, BIND 9.18.7, BIND 9.19.5, or for BIND Supported Preview Edition (a special feature preview branch of BIND provided to eligible ISC support customers): BIND 9.16.33-S1.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-38178 https://nvd.nist.gov/vuln/detail/CVE-2022-38178 https://kb.isc.org/docs/cve-2022-38178
- https://bugzilla.redhat.com/show_bug.cgi?id=2128602
- https://access.redhat.com/errata/RHSA-2022:6765
- https://access.redhat.com/errata/RHSA-2022:6778
- https://access.redhat.com/errata/RHSA-2022:6781
- https://access.redhat.com/errata/RHSA-2022:6764
- https://access.redhat.com/errata/RHSA-2022:6780
- https://access.redhat.com/errata/RHSA-2022:6779
- https://access.redhat.com/errata/RHSA-2022:6763
- https://access.redhat.com/errata/RHSA-2022:8598
- https://access.redhat.com/security/cve/cve-2022-38178
- https://kb.isc.org/docs/cve-2022-38178
- https://gitlab.isc.org/isc-projects/bind9/-/commit/7c0028cfad2ae5fdf82c4d02d3b8b3a1e96dc6ec
- https://gitlab.isc.org/isc-projects/bind9/-/commit/1af23378ebb11da2eb0f412e4563d6c4165fbd3d
- https://security-tracker.debian.org/tracker/CVE-2022-38178
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2128709
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2128711
- http://www.openwall.com/lists/oss-security/2022/09/21/3
- https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
- https://security.gentoo.org/glsa/202210-25
- https://security.netapp.com/advisory/ntap-20221228-0009/
- 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/
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2022-38178?
CVE-2022-38178 is a vulnerability in the Bind package that allows an attacker to trigger a small memory leak by spoofing the target resolver with responses that have a malformed EdDSA signature.
What is the severity of CVE-2022-38178?
CVE-2022-38178 has a severity rating of 7.5 (high).
Which software versions are affected by CVE-2022-38178?
The Bind package versions 9.16.33, 9.18.7, and 9.19.5 are affected by CVE-2022-38178. Additionally, some versions of ISC BIND and other software packages are also affected.
How can the CVE-2022-38178 vulnerability be fixed?
To fix the CVE-2022-38178 vulnerability, it is recommended to update to the following versions: Bind package - 9.16.44-1~deb11u1, 9.18.19-1~deb12u1, or 9.19.17-1; ISC BIND - 9.11.5.P4+dfsg-5.1+deb10u9. Check the vendor's website for official patches and updates.
Where can I find more information about CVE-2022-38178?
You can find more information about CVE-2022-38178 on the Red Hat Bugzilla pages (bugzilla.redhat.com) and the Red Hat Security Advisory (access.redhat.com/errata/RHSA-2022:6763).
- collector/redhat-cve
- collector/security-tracker-debian
- agent/type
- agent/first-publish-date
- agent/author
- agent/severity
- agent/weakness
- agent/description
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/references
- agent/title
- agent/remedy
- agent/tags
- collector/mitre-cve
- source/MITRE
- agent/event
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2022-38178
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/trending
- package-manager/redhat
- package-manager/debian
- vendor/isc
- canonical/isc bind
- version/isc bind/9.9.12
- version/isc bind/9.9.13
- version/isc bind/9.10.7
- version/isc bind/9.10.8
- version/isc bind/9.11.3
- version/isc bind/9.16.32
- version/isc bind/9.11.3-s1
- version/isc bind/9.11.3-s4
- canonical/isc bind supported preview
- version/isc bind supported preview/9.11.5-s3
- version/isc bind/9.11.5-s3
- version/isc bind/9.11.5-s5
- version/isc bind/9.11.5-s6
- version/isc bind/9.11.6-s1
- version/isc bind/9.11.7-s1
- version/isc bind/9.11.8-s1
- version/isc bind/9.11.12-s1
- version/isc bind/9.11.14-s1
- version/isc bind/9.11.19-s1
- version/isc bind/9.11.21-s1
- version/isc bind/9.11.27-s1
- version/isc bind/9.11.29-s1
- version/isc bind/9.11.35-s1
- version/isc bind/9.11.37-s1
- version/isc bind/9.16.8-s1
- version/isc bind/9.16.11-s1
- version/isc bind/9.16.13-s1
- version/isc bind/9.16.21-s1
- version/isc bind/9.16.32-s1
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/11.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/35
- version/fedoraproject fedora/36
- version/fedoraproject fedora/37
- vendor/netapp
- canonical/netapp active iq unified manager vmware vsphere