CVE-2022-2795
MEDIUM severity · CVSS 5.3
5.3CVSS MEDIUM
Summary
By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)2%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products we track (3)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2022/09/21/3 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2022/09/21/3Patch
- https://kb.isc.org/docs/cve-2022-2795Patch
- https://lists.debian.org/debian-lts-announce/2022/10/msg00007.htmlAdvisory
- 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/202210-25Advisory
- https://www.debian.org/security/2022/dsa-5235Advisory