Medium severity · published Sep 21, 2022
CVE-2022-2795
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…
5.3
CVSS
2.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Bind · Isc
9.0.0 before 9.16.33; 9.18.0 before 9.18.7; 9.19.0 before 9.19.5; 9.9.3; 9.9.3; 9.9.12; +24 more · source: NVD
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
FE
Fedora · Fedoraproject
35; 36; 37 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-2795
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-2795
Mailing List
http://www.openwall.com/lists/oss-security/2022/09/21/3
Patch
https://kb.isc.org/docs/cve-2022-2795
Mailing List
https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
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