high
7.5
CWE
401
Advisory Published
Updated

CVE-2022-38178

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 SoftwareAffected VersionHow 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

http://www.openwall.com/lists/oss-security/2022/09/21/3

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Reference Links

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).

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