CVE-2018-1000654
low-risk
Published 2018-08-20
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.
Do I need to act?
-
0.12% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10
Medium
LOCAL
/ LOW complexity
Affected Products (2)
Libtasn1
Libtasn1
Affected Vendors
References (10)
Third Party Advisory
http://www.securityfocus.com/bid/105151
Third Party Advisory
http://www.securityfocus.com/bid/105151
26
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
7/34 · Low