CVE-2021-22925
curl: Incorrect fix for CVE-2021-22898 TELNET stack contents disclosure
Severity Score
5.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
curl supports the `-t` command line option, known as `CURLOPT_TELNETOPTIONS`in libcurl. This rarely used option is used to send variable=content pairs toTELNET servers.Due to flaw in the option parser for sending `NEW_ENV` variables, libcurlcould be made to pass on uninitialized data from a stack based buffer to theserver. Therefore potentially revealing sensitive internal information to theserver using a clear-text network protocol.This could happen because curl did not call and use sscanf() correctly whenparsing the string provided by the application.
curl soporta la opción de línea de comandos "-t", conocida como "CURLOPT_TELNETOPTIONS" en libcurl. Debido a un fallo en el analizador de opciones para el envío de variables "NEW_ENV", libcurl podría pasar datos no inicializados de un búfer en la región stack de la memoria al servidor. Por lo tanto, podría revelar potencialmente información interna confidencial al servidor usando un protocolo de red de texto sin cifrar. Esto podría ocurrir porque curl no llamó y usó la función sscanf() apropiadamente al analizar la cadena proporcionada por la aplicación
A flaw was found in the way curl handled telnet protocol option for sending environment variables, which could lead to sending of uninitialized data from a stack-based buffer to the server. This issue leads to potentially revealing sensitive internal information to the server using a clear-text network protocol.
*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
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-06 CVE Reserved
- 2021-07-22 CVE Published
- 2024-07-11 EPSS Updated
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
- CWE-908: Use of Uninitialized Resource
CAPEC
References (14)
| URL | Tag | Source |
|---|---|---|
| http://seclists.org/fulldisclosure/2021/Sep/39 | Mailing List |
|
| http://seclists.org/fulldisclosure/2021/Sep/40 | Mailing List |
|
| https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf | Third Party Advisory |
|
| https://security.netapp.com/advisory/ntap-20210902-0003 | Third Party Advisory |
|
| https://support.apple.com/kb/HT212804 | Third Party Advisory |
|
| https://support.apple.com/kb/HT212805 | Third Party Advisory |
|
| URL | Date | SRC |
|---|---|---|
| https://hackerone.com/reports/1223882 | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf | 2024-03-27 | |
| https://www.oracle.com/security-alerts/cpujan2022.html | 2024-03-27 | |
| https://www.oracle.com/security-alerts/cpuoct2021.html | 2024-03-27 |
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" | H300e Firmware Search vendor "Netapp" for product "H300e Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H300e Search vendor "Netapp" for product "H300e" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H500e Firmware Search vendor "Netapp" for product "H500e Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H500e Search vendor "Netapp" for product "H500e" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H700e Firmware Search vendor "Netapp" for product "H700e Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H700e Search vendor "Netapp" for product "H700e" | - | - |
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" | >= 7.7 < 7.78.0 Search vendor "Haxx" for product "Curl" and version " >= 7.7 < 7.78.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 33 Search vendor "Fedoraproject" for product "Fedora" and version "33" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Cloud Backup Search vendor "Netapp" for product "Cloud Backup" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Clustered Data Ontap Search vendor "Netapp" for product "Clustered Data Ontap" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Hci Management Node Search vendor "Netapp" for product "Hci Management Node" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Solidfire Search vendor "Netapp" for product "Solidfire" | - | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-001 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-002 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-003 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-004 |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 11.0 Search vendor "Apple" for product "Macos" and version "11.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 11.0.1 Search vendor "Apple" for product "Macos" and version "11.0.1" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 11.1 Search vendor "Apple" for product "Macos" and version "11.1" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 11.1.0 Search vendor "Apple" for product "Macos" and version "11.1.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 11.2 Search vendor "Apple" for product "Macos" and version "11.2" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 11.2.1 Search vendor "Apple" for product "Macos" and version "11.2.1" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 11.3 Search vendor "Apple" for product "Macos" and version "11.3" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 11.3.1 Search vendor "Apple" for product "Macos" and version "11.3.1" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 11.4 Search vendor "Apple" for product "Macos" and version "11.4" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 11.5 Search vendor "Apple" for product "Macos" and version "11.5" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Mysql Server Search vendor "Oracle" for product "Mysql Server" | >= 5.7.0 <= 5.7.35 Search vendor "Oracle" for product "Mysql Server" and version " >= 5.7.0 <= 5.7.35" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Mysql Server Search vendor "Oracle" for product "Mysql Server" | >= 8.0.0 <= 8.0.26 Search vendor "Oracle" for product "Mysql Server" and version " >= 8.0.0 <= 8.0.26" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Peoplesoft Enterprise Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" | 8.57 Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" and version "8.57" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Peoplesoft Enterprise Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" | 8.58 Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" and version "8.58" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Peoplesoft Enterprise Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" | 8.59 Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" and version "8.59" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Sinec Infrastructure Network Services Search vendor "Siemens" for product "Sinec Infrastructure Network Services" | < 1.0.1.1 Search vendor "Siemens" for product "Sinec Infrastructure Network Services" and version " < 1.0.1.1" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Sinema Remote Connect Server Search vendor "Siemens" for product "Sinema Remote Connect Server" | < 3.1 Search vendor "Siemens" for product "Sinema Remote Connect Server" and version " < 3.1" | - |
Affected
| ||||||
| Splunk Search vendor "Splunk" | Universal Forwarder Search vendor "Splunk" for product "Universal Forwarder" | >= 8.2.0 < 8.2.12 Search vendor "Splunk" for product "Universal Forwarder" and version " >= 8.2.0 < 8.2.12" | - |
Affected
| ||||||
| Splunk Search vendor "Splunk" | Universal Forwarder Search vendor "Splunk" for product "Universal Forwarder" | >= 9.0.0 < 9.0.6 Search vendor "Splunk" for product "Universal Forwarder" and version " >= 9.0.0 < 9.0.6" | - |
Affected
| ||||||
| Splunk Search vendor "Splunk" | Universal Forwarder Search vendor "Splunk" for product "Universal Forwarder" | 9.1.0 Search vendor "Splunk" for product "Universal Forwarder" and version "9.1.0" | - |
Affected
| ||||||