CVE-2023-28319
curl: use after free in SSH sha256 fingerprint check
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A use after free vulnerability exists in curl <v8.1.0 in the way libcurl offers a feature to verify an SSH server's public key using a SHA 256 hash. When this check fails, libcurl would free the memory for the fingerprint before it returns an error message containing the (now freed) hash. This flaw risks inserting sensitive heap-based data into the error message that might be shown to users or otherwise get leaked and revealed.
A use-after-free flaw was found in the Curl package. This flaw risks inserting sensitive heap-based data into the error message that users might see or is otherwise leaked and revealed.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-03-14 CVE Reserved
- 2023-05-26 CVE Published
- 2024-08-02 CVE Updated
- 2024-08-02 First Exploit
- 2024-11-05 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-416: Use After Free
CAPEC
References (11)
| URL | Tag | Source |
|---|---|---|
| http://seclists.org/fulldisclosure/2023/Jul/47 | Mailing List |
|
| http://seclists.org/fulldisclosure/2023/Jul/48 | Mailing List |
|
| http://seclists.org/fulldisclosure/2023/Jul/52 | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20230609-0009 | Third Party Advisory |
|
| https://support.apple.com/kb/HT213843 | Third Party Advisory |
|
| https://support.apple.com/kb/HT213844 | Third Party Advisory |
|
| https://support.apple.com/kb/HT213845 | Third Party Advisory |
|
| URL | Date | SRC |
|---|---|---|
| https://hackerone.com/reports/1913733 | 2024-08-02 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202310-12 | 2023-10-20 | |
| https://access.redhat.com/security/cve/CVE-2023-28319 | 2023-08-15 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2196778 | 2023-08-15 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Netapp Search vendor "Netapp" | H300s Firmware Search vendor "Netapp" for product "H300s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H300s Search vendor "Netapp" for product "H300s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H500s Firmware Search vendor "Netapp" for product "H500s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H500s Search vendor "Netapp" for product "H500s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H700s Firmware Search vendor "Netapp" for product "H700s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H700s Search vendor "Netapp" for product "H700s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H410s Firmware Search vendor "Netapp" for product "H410s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H410s Search vendor "Netapp" for product "H410s" | - | - |
Safe
|
| Haxx Search vendor "Haxx" | Curl Search vendor "Haxx" for product "Curl" | < 8.1.0 Search vendor "Haxx" for product "Curl" and version " < 8.1.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | >= 11.0 < 11.7.9 Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.7.9" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | >= 12.0 < 12.6.8 Search vendor "Apple" for product "Macos" and version " >= 12.0 < 12.6.8" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | >= 13.0 < 13.5 Search vendor "Apple" for product "Macos" and version " >= 13.0 < 13.5" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Clustered Data Ontap Search vendor "Netapp" for product "Clustered Data Ontap" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Ontap Antivirus Connector Search vendor "Netapp" for product "Ontap Antivirus Connector" | - | - |
Affected
| ||||||