Current Description
GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.
Source:
MITRE
Description Last Modified:
08/20/2018
View Analysis Description
Analysis Description
GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.
Source:
MITRE
Description Last Modified:
08/20/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
5.5 MEDIUM
Vector:
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
7.1 HIGH
Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
(V2 legend)
Impact Subscore:
6.9
Exploitability Subscore:
8.6
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Complete
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service
References to Advisories, Solutions, and Tools
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Change History
2 change records found
- show changes
Initial Analysis -
10/30/2018 2:47:41 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:gnu:libtasn1:4.12:*:*:*:*:*:*:*
*cpe:2.3:a:gnu:libtasn1:4.13:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:M/Au:N/C:N/I:N/A:C) |
| Added |
CVSS V2 Metadata |
|
Victim must voluntarily interact with attack mechanism |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-399 |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/105151 No Types Assigned |
http://www.securityfocus.com/bid/105151 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://gitlab.com/gnutls/libtasn1/issues/4 No Types Assigned |
https://gitlab.com/gnutls/libtasn1/issues/4 Exploit, Third Party Advisory |
CVE Modified by MITRE -
8/28/2018 6:29:01 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/105151 [No Types Assigned] |