VulnerabilityModified
CVE-2022-38177
By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak.
HIGH 7.5EPSS 2.66%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.66% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-401
- Affected
- isc/bind · debian/debian linux · fedoraproject/fedora · netapp/active iq unified manager
- Source
- security-officer@isc.org
References
- http://www.openwall.com/lists/oss-security/2022/09/21/3Mailing List, Patch, Third Party Advisory
- https://kb.isc.org/docs/cve-2022-38177Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00007.htmlMailing List, Third Party Advisory
- 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://security.gentoo.org/glsa/202210-25Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221228-0010/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5235Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/21/3Mailing List, Patch, Third Party Advisory
- https://kb.isc.org/docs/cve-2022-38177Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00007.htmlMailing List, Third Party Advisory
- 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://security.gentoo.org/glsa/202210-25Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221228-0010/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5235Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.