CVE-2022-27780
Last modified
CVE-2022-27780 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host name when it is later retrieved.For example, a URL like `http://example.com%2F127.0.0.1/`, would be allowed bythe parser and get transposed into `http://example.com/127.0.0.1/`. This flawcan be used to circumvent filters, checks and more.. EPSS estimates a 2.19% chance of exploitation in the next 30 days.
Description
The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host name when it is later retrieved.For example, a URL like `http://example.com%2F127.0.0.1/`, would be allowed bythe parser and get transposed into `http://example.com/127.0.0.1/`. This flawcan be used to circumvent filters, checks and more.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Curl | >= 7.80.0, < 7.83.1 |
| Netapp | Hci Bootstrap Os | All versions |
| Netapp | Clustered Data Ontap | All versions |
| Netapp | Solidfire\, Enterprise Sds \& Hci Storage Node | All versions |
| Netapp | Solidfire \& Hci Management Node | All versions |
| Netapp | H410s Firmware | All versions |
| Netapp | H700s Firmware | All versions |
| Netapp | H500s Firmware | All versions |
| Netapp | H300s Firmware | All versions |
| Splunk | Universal Forwarder | >= 8.2.0, < 8.2.12 |
| Splunk | Universal Forwarder | >= 9.0.0, < 9.0.6 |
| Splunk | Universal Forwarder | 9.1.0 |
References
- https://hackerone.com/reports/1553841Exploit, Third Party Advisory
- https://security.gentoo.org/glsa/202212-01Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220609-0009/Third Party Advisory
- https://hackerone.com/reports/1553841Exploit, Third Party Advisory
- https://security.gentoo.org/glsa/202212-01Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220609-0009/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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