Vulnerability Details : CVE-2023-27534
Potential exploit
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.
Vulnerability category: Directory traversalExecute code
Products affected by CVE-2023-27534
- cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*
- cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*
- cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-27534
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-27534
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-04-23 |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
|
8.8
|
HIGH | AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
N/A
|
N/A
|
Oracle:CPUOct2023 |
CWE ids for CVE-2023-27534
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by:
- nvd@nist.gov (Primary)
- support@hackerone.com (Secondary)
References for CVE-2023-27534
-
https://lists.debian.org/debian-lts-announce/2024/03/msg00016.html
[SECURITY] [DLA 3763-1] curl security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW/
[SECURITY] Fedora 36 Update: curl-7.82.0-14.fc36 - package-announce - Fedora Mailing-ListsMailing List
-
https://hackerone.com/reports/1892351
HackerOneExploit;Third Party Advisory
-
https://security.gentoo.org/glsa/202310-12
curl: Multiple Vulnerabilities (GLSA 202310-12) — Gentoo securityThird Party Advisory
-
https://security.netapp.com/advisory/ntap-20230420-0012/
CVE-2023-27534 cURL/libcURL Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW/
[SECURITY] Fedora 36 Update: curl-7.82.0-14.fc36 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
Jump to