CVE Vulnerability

CVE-2021-27293

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://restsharp.dev/ Product
https://github.com/restsharp/RestSharp/issues/1556 Exploit Patch
Configurations

Configuration 1

cpe:2.3:a:restsharp:restsharp:*:*:*:*:*:*:*:*
cpe:2.3:a:restsharp:restsharp:106.11.8:alpha0.10:*:*:*:*:*:*
cpe:2.3:a:restsharp:restsharp:106.11.8:alpha0.11:*:*:*:*:*:*
cpe:2.3:a:restsharp:restsharp:106.11.8:alpha0.12:*:*:*:*:*:*
cpe:2.3:a:restsharp:restsharp:106.11.8:alpha0.2:*:*:*:*:*:*
cpe:2.3:a:restsharp:restsharp:106.11.8:alpha0.3:*:*:*:*:*:*
cpe:2.3:a:restsharp:restsharp:106.11.8:alpha0.4:*:*:*:*:*:*
cpe:2.3:a:restsharp:restsharp:106.11.8:alpha0.6:*:*:*:*:*:*
cpe:2.3:a:restsharp:restsharp:106.11.8:alpha0.7:*:*:*:*:*:*
Information

Published : 2021-07-12 11:15

Updated : 2021-09-09 12:43

NVD link : CVE-2021-27293

Mitre link : CVE-2021-27293

Products Affected
No products.
CWE
CWE-697