Vulnerability Description
A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be wrongly replaced when used as a prefix in the first path element, in addition to its intended use as the first element to indicate a path relative to the user's home directory. Attackers can exploit this flaw to bypass filtering or execute arbitrary code by crafting a path like /~2/foo while accessing a server with a specific user.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Curl | >= 7.18.0, <= 7.88.1 |
| Fedoraproject | Fedora | 36 |
| Netapp | Active Iq Unified Manager | - |
| Broadcom | Brocade Fabric Operating System Firmware | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
| Splunk | Universal Forwarder | >= 8.2.0, < 8.2.12 |
Related Weaknesses (CWE)
References
- https://hackerone.com/reports/1892351ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00016.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202310-12Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230420-0012/Third Party Advisory
- https://hackerone.com/reports/1892351ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00016.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202310-12Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230420-0012/Third Party Advisory
FAQ
What is CVE-2023-27534?
CVE-2023-27534 is a vulnerability with a CVSS score of 8.8 (HIGH). A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be wrongly replaced when used as a prefix in the first path element, in addition to its inten...
How severe is CVE-2023-27534?
CVE-2023-27534 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-27534?
Check the references section above for vendor advisories and patch information. Affected products include: Haxx Curl, Fedoraproject Fedora, Netapp Active Iq Unified Manager, Broadcom Brocade Fabric Operating System Firmware, Netapp H300S Firmware.