CVE-2020-8231
curl: Expired pointer dereference via multi API with CURLOPT_CONNECT_ONLY option set
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
1Exploited in Wild
-Decision
Descriptions
Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.
Debido al uso de un puntero colgante, libcurl versiones 7.29.0 hasta 7.71.1, puede usar la conexión errónea cuando envía datos
A flaw was found in libcurl from versions 7.29.0 through 7.71.1. An application that performs multiple requests with libcurl's multi API, and sets the `CURLOPT_CONNECT_ONLY` option, might experience libcurl using the wrong connection. The highest threat from this vulnerability is to data confidentiality.
Red Hat Advanced Cluster Management for Kubernetes 2.3.0 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which fix several bugs and security issues. Issues addressed include code execution, cross site scripting, denial of service, integer overflow, and null pointer vulnerabilities.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-01-28 CVE Reserved
- 2020-08-19 CVE Published
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-416: Use After Free
- CWE-822: Untrusted Pointer Dereference
CAPEC
References (10)
URL | Date | SRC |
---|---|---|
https://hackerone.com/reports/948876 | 2024-08-04 |
URL | Date | SRC |
---|---|---|
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf | 2024-03-27 | |
https://curl.haxx.se/docs/CVE-2020-8231.html | 2024-03-27 | |
https://www.oracle.com/security-alerts/cpuapr2022.html | 2024-03-27 |
URL | Date | SRC |
---|---|---|
https://security.gentoo.org/glsa/202012-14 | 2024-03-27 | |
https://www.debian.org/security/2021/dsa-4881 | 2024-03-27 | |
https://access.redhat.com/security/cve/CVE-2020-8231 | 2021-05-18 | |
https://bugzilla.redhat.com/show_bug.cgi?id=1868032 | 2021-05-18 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Haxx Search vendor "Haxx" | Libcurl Search vendor "Haxx" for product "Libcurl" | >= 7.29.0 <= 7.71.1 Search vendor "Haxx" for product "Libcurl" and version " >= 7.29.0 <= 7.71.1" | - |
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
| ||||||
Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
Oracle Search vendor "Oracle" | Communications Cloud Native Core Policy Search vendor "Oracle" for product "Communications Cloud Native Core Policy" | 1.14.0 Search vendor "Oracle" for product "Communications Cloud Native Core Policy" and version "1.14.0" | - |
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
|