CVE-2021-27293
Last modified
CVE-2021-27293 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. RestSharp < 106.11.8-alpha.0.13 uses a regular expression which is vulnerable to Regular Expression Denial of Service (ReDoS) when converting strings into DateTimes. If a server responds with a malicious string, the client using RestSharp will be stuck processing it for an exceedingly long time. EPSS estimates a 1.51% chance of exploitation in the next 30 days.
Description
RestSharp < 106.11.8-alpha.0.13 uses a regular expression which is vulnerable to Regular Expression Denial of Service (ReDoS) when converting strings into DateTimes. If a server responds with a malicious string, the client using RestSharp will be stuck processing it for an exceedingly long time. Thus the remote server can trigger Denial of Service.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Restsharp | Restsharp | <= 106.11.7 | — |
| Restsharp | Restsharp | 106.11.8 | Alpha0.10 |
References
- https://github.com/restsharp/RestSharp/issues/1556Exploit, Patch, Third Party Advisory
- https://restsharp.dev/Product
- https://github.com/restsharp/RestSharp/issues/1556Exploit, Patch, Third Party Advisory
- https://restsharp.dev/Product
Timeline
- Published
- Last Modified
- Status
- Modified
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