Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-8231 |
CWE-ID | CWE-825 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
curl (Alpine package) Operating systems & Components / Operating system package or component |
Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU45794
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-8231
CWE-ID:
CWE-825 - Expired pointer dereference
Exploit availability: No
DescriptionThe vulnerability allows an attacker to gain access to sensitive information.
The vulnerability exists due to expired pointer dereference error for CURLOPT_CONNECT_ONLY connections that may lead to information disclosure. If the application is using the CURLOPT_CONNECT_ONLY option to check if the website is accessible, an attacker might abuse this feature and force the application to re-use expired connection and send data intended to another connection to attacker controlled server.
MitigationInstall update from vendor's website.
Vulnerable software versionscurl (Alpine package): 7.30.0-r0 - 7.71.1-r0
curl (Alpine package):
CPE2.3http://git.alpinelinux.org/aports/commit/?id=166f72b36f3b5635be0d237642a63f39697c848a
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.