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Vulnerability Details :

CVE-2022-33989

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-15 Aug, 2022 | 12:10
Updated At-03 Aug, 2024 | 08:16
Rejected At-
Credits

dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only at boot time) in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:15 Aug, 2022 | 12:10
Updated At:03 Aug, 2024 | 08:16
Rejected At:
▼CVE Numbering Authority (CNA)

dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only at boot time) in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://sourceforge.net/projects/dproxy/
x_refsource_MISC
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
x_refsource_MISC
https://www.openwall.com/lists/oss-security/2022/08/14/3
x_refsource_MISC
Hyperlink: https://sourceforge.net/projects/dproxy/
Resource:
x_refsource_MISC
Hyperlink: https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
Resource:
x_refsource_MISC
Hyperlink: https://www.openwall.com/lists/oss-security/2022/08/14/3
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://sourceforge.net/projects/dproxy/
x_refsource_MISC
x_transferred
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
x_refsource_MISC
x_transferred
https://www.openwall.com/lists/oss-security/2022/08/14/3
x_refsource_MISC
x_transferred
Hyperlink: https://sourceforge.net/projects/dproxy/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.openwall.com/lists/oss-security/2022/08/14/3
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:15 Aug, 2022 | 13:15
Updated At:18 Aug, 2022 | 16:53

dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only at boot time) in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Type: Primary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CPE Matches
dproxy-nexgen_project
dproxy-nexgen_project
>>dproxy-nexgen>>-
cpe:2.3:a:dproxy-nexgen_project:dproxy-nexgen:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-331Primarynvd@nist.gov
CWE ID: CWE-331
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://sourceforge.net/projects/dproxy/cve@mitre.org
Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/08/14/3cve@mitre.org
Exploit
Mailing List
Third Party Advisory
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitnercve@mitre.org
Third Party Advisory
Hyperlink: https://sourceforge.net/projects/dproxy/
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://www.openwall.com/lists/oss-security/2022/08/14/3
Source: cve@mitre.org
Resource:
Exploit
Mailing List
Third Party Advisory
Hyperlink: https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
Source: cve@mitre.org
Resource:
Third Party Advisory

Change History

0
Information is not available yet

Similar CVEs

1Records found
CVE-2022-33991
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-5.3||MEDIUM
EPSS-0.24% / 47.66%
||
7 Day CHG~0.00%
Published-15 Aug, 2022 | 12:10
Updated-03 Aug, 2024 | 08:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

dproxy-nexgen (aka dproxy nexgen) forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers.

Action-Not Available
Vendor-dproxy-nexgen_projectn/a
Product-dproxy-nexgenn/a
CWE ID-CWE-290
Authentication Bypass by Spoofing
Details not found