Vulnerability in N/a Https://github.com/curl/curl
CVSS score
5.9
EPSS probability
%1.8
Risk score
0.1
Published
3 y ago
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Vulnerability description
DayBreach CVE AI Research
CVE-2023-27535 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
An authentication bypass vulnerability exists in libcurl <8.0.0 in the FTP connection reuse feature that can result in wrong credentials being used during subsequent transfers. Previously created connections are kept in a connection pool for reuse if they match the current setup. However, certain FTP settings such as CURLOPT_FTP_ACCOUNT, CURLOPT_FTP_ALTERNATIVE_TO_USER, CURLOPT_FTP_SSL_CCC, and CURLOPT_USE_SSL were not included in the configuration match checks, causing them to match too easily. This could lead to libcurl using the wrong credentials when performing a transfer, potentially allowing unauthorized access to sensitive information.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2023-27535 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | n/a | https://github.com/curl/curl | View |
| 2 | haxx | libcurl | View |
| 3 | fedoraproject | fedora | View |
| 4 | debian | debian linux | View |
| 5 | netapp | active iq unified manager | View |
| 6 | netapp | ontap 9 | View |
| 7 | netapp | h300s firmware | View |
| 8 | netapp | h300s | View |
| 9 | netapp | h500s firmware | View |
| 10 | netapp | h500s | View |
| 11 | netapp | h700s firmware | View |
| 12 | netapp | h700s | View |
| 13 | netapp | h410s firmware | View |
| 14 | netapp | h410s | View |
| 15 | splunk | universal forwarder | View |
| 16 | splunk | universal forwarder | View |
| 17 | splunk | universal forwarder | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 5.9 | CVSS V31 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD |
| 5.9 | CVSS V3_1 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | CVE ADP |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-27535 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-27535 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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