high
7.5
CWE
401
Advisory Published
CVE Published
Updated

CVE-2022-38177: Memory leak in ECDSA DNSSEC verification code

First published: Wed Sep 21 2022(Updated: )

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.

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
ISC BIND>=9.8.4<=9.16.32
Isc Bind Supported Preview=9.9.3-s1
ISC BIND=9.9.3-s1
ISC BIND=9.9.12-s1
ISC BIND=9.9.13-s1
ISC BIND=9.10.5-s1
ISC BIND=9.10.7-s1
ISC BIND=9.11.3-s1
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=10.0
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

Remedy

https://kb.isc.org/docs/cve-2022-38177

Remedy

Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.33, or for BIND Supported Preview Edition (a special feature preview branch of BIND provided to eligible ISC support customers): BIND 9.16.33-S1.

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID for this flaw in the Bind package?

    The vulnerability ID for this flaw in the Bind package is CVE-2022-38177.

  • What is the severity rating of CVE-2022-38177?

    The severity rating of CVE-2022-38177 is high, with a value of 7.5.

  • What is the impact of CVE-2022-38177?

    CVE-2022-38177 allows an attacker to trigger a small memory leak, potentially causing named to crash.

  • Which software versions are affected by CVE-2022-38177?

    Software versions up to and excluding 9.16.33 of the Bind package are affected by CVE-2022-38177.

  • Where can I find more information about CVE-2022-38177?

    You can find more information about CVE-2022-38177 in the references provided: [link1] [link2] [link3].

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