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Vulnerability Details :

CVE-2023-2538

Summary
Assigner-Nozomi
Assigner Org ID-bec8025f-a851-46e5-b3a3-058e6b0aa23c
Published At-05 Jul, 2023 | 12:11
Updated At-24 Oct, 2024 | 19:21
Rejected At-
Credits

TLS Private Key Accessible to External Parties

A CWE-552 "Files or Directories Accessible to External Parties” in the web interface of the Tyan S5552 BMC version 3.00 allows an unauthenticated remote attacker to retrieve the private key of the TLS certificate in use by the BMC via forced browsing. This can then be abused to perform Man-in-the-Middle (MitM) attacks against victims that access the web interface through HTTPS.

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:Nozomi
Assigner Org ID:bec8025f-a851-46e5-b3a3-058e6b0aa23c
Published At:05 Jul, 2023 | 12:11
Updated At:24 Oct, 2024 | 19:21
Rejected At:
▼CVE Numbering Authority (CNA)
TLS Private Key Accessible to External Parties

A CWE-552 "Files or Directories Accessible to External Parties” in the web interface of the Tyan S5552 BMC version 3.00 allows an unauthenticated remote attacker to retrieve the private key of the TLS certificate in use by the BMC via forced browsing. This can then be abused to perform Man-in-the-Middle (MitM) attacks against victims that access the web interface through HTTPS.

Affected Products
Vendor
tyan
Product
s5552_bmc
Default Status
unaffected
Versions
Affected
  • 3.00
Problem Types
TypeCWE IDDescription
CWECWE-552CWE-552 Files or Directories Accessible to External Parties
Type: CWE
CWE ID: CWE-552
Description: CWE-552 Files or Directories Accessible to External Parties
Metrics
VersionBase scoreBase severityVector
3.15.8MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
Version: 3.1
Base score: 5.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-94CAPEC-94 Man in the Middle Attack
CAPEC ID: CAPEC-94
Description: CAPEC-94 Man in the Middle Attack
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Andrea Palanca of Nozomi Networks found this bug during a security research activity.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-2538/
N/A
Hyperlink: https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-2538/
Resource: N/A
▼Authorized Data Publishers (ADP)
1. 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://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-2538/
x_transferred
Hyperlink: https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-2538/
Resource:
x_transferred
2. CISA ADP Vulnrichment
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
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:prodsec@nozominetworks.com
Published At:05 Jul, 2023 | 13:15
Updated At:12 Jul, 2023 | 14:25

A CWE-552 "Files or Directories Accessible to External Parties” in the web interface of the Tyan S5552 BMC version 3.00 allows an unauthenticated remote attacker to retrieve the private key of the TLS certificate in use by the BMC via forced browsing. This can then be abused to perform Man-in-the-Middle (MitM) attacks against victims that access the web interface through HTTPS.

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
Primary3.14.2MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Secondary3.16.3MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Type: Primary
Version: 3.1
Base score: 4.2
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CPE Matches
tyan
tyan
>>s5552\/s5552wgm4nr-ex>>-
cpe:2.3:h:tyan:s5552\/s5552wgm4nr-ex:-:*:*:*:*:*:*:*
tyan
tyan
>>s5552\/s5552wgm4nr-ex_firmware>>3.0.0
cpe:2.3:o:tyan:s5552\/s5552wgm4nr-ex_firmware:3.0.0:*:*:*:*:*:*:*
tyan
tyan
>>s5552\/s5552wgm4nr>>-
cpe:2.3:h:tyan:s5552\/s5552wgm4nr:-:*:*:*:*:*:*:*
tyan
tyan
>>s5552\/s5552wgm4nr_firmware>>3.0.0
cpe:2.3:o:tyan:s5552\/s5552wgm4nr_firmware:3.0.0:*:*:*:*:*:*:*
tyan
tyan
>>s5552\/s5552gm4nr>>-
cpe:2.3:h:tyan:s5552\/s5552gm4nr:-:*:*:*:*:*:*:*
tyan
tyan
>>s5552\/s5552gm4nr_firmware>>3.0.0
cpe:2.3:o:tyan:s5552\/s5552gm4nr_firmware:3.0.0:*:*:*:*:*:*:*
tyan
tyan
>>s5552\/s5552gm2nr>>-
cpe:2.3:h:tyan:s5552\/s5552gm2nr:-:*:*:*:*:*:*:*
tyan
tyan
>>s5552\/s5552gm2nr_firmware>>3.0.0
cpe:2.3:o:tyan:s5552\/s5552gm2nr_firmware:3.0.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-552Primarynvd@nist.gov
CWE-552Secondaryprodsec@nozominetworks.com
CWE ID: CWE-552
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-552
Type: Secondary
Source: prodsec@nozominetworks.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-2538/prodsec@nozominetworks.com
Third Party Advisory
Hyperlink: https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-2538/
Source: prodsec@nozominetworks.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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