Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current Description
Integer overflow in the decode_digit function in puny_decode.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 decode_digit function in puny_decode.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
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Technical Details
Vulnerability Type
(View All)
- Integer Overflow or Wraparound (CWE-190)
Change History
3 change records found
- show changes
CVE Modified by MITRE -
7/28/2018 9:29:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://lists.debian.org/debian-lts-announce/2018/07/msg00040.html [No Types Assigned] |
CVE Modified by MITRE -
11/4/2017 9:29:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.debian.org/security/2017/dsa-3988 [No Types Assigned] |
Initial Analysis -
9/5/2017 1:27:32 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/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd No Types Assigned |
https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd Third Party Advisory |