Current Description
Integer overflow in the _isBidi function in bidi.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
Source:
MITRE
Description Last Modified:
08/31/2017
View Analysis Description
Analysis Description
Integer overflow in the _isBidi function in bidi.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
Source:
MITRE
Description Last Modified:
08/31/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
9.8 CRITICAL
Vector:
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
7.5 HIGH
Vector:
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
(V2 legend)
Impact Subscore:
6.4
Exploitability Subscore:
10.0
Access Vector (AV):
Network
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
Partial
Availability (A):
Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
References to Advisories, Solutions, and Tools
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Technical Details
Vulnerability Type
(View All)
- Integer Overflow or Wraparound (CWE-190)
Change History
1 change record found
- show changes
Initial Analysis -
9/5/2017 1:14:46 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:libidn2_project:libidn2:2.0.3:*:*:*:*:*:*:* (and previous) |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:N/C:P/I:P/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-190 |
| Changed |
Reference Type |
https://gitlab.com/libidn/libidn2/blob/master/NEWS No Types Assigned |
https://gitlab.com/libidn/libidn2/blob/master/NEWS Release Notes, Third Party Advisory |
| Changed |
Reference Type |
https://gitlab.com/libidn/libidn2/commit/16853b6973a1e72fee2b7cccda85472cb9951305 No Types Assigned |
https://gitlab.com/libidn/libidn2/commit/16853b6973a1e72fee2b7cccda85472cb9951305 Patch, Third Party Advisory |