A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.
References
Link Resource
http://seclists.org/fulldisclosure/2023/Mar/17 Mailing List Third Party Advisory
https://hackerone.com/reports/1764858 Exploit Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/202310-12 Third Party Advisory
https://security.netapp.com/advisory/ntap-20230214-0002/ Vendor Advisory
https://support.apple.com/kb/HT213670 Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: hackerone

Published: 2023-02-09T00:00:00

Updated: 2023-10-11T10:06:28.239339

Reserved: 2022-10-20T00:00:00


Link: CVE-2022-43552

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2023-02-09T20:15:10.950

Modified: 2024-03-27T14:55:09.493


Link: CVE-2022-43552

JSON object: View

cve-icon Redhat Information

No data.

CWE