SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-1000654

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…

MEDIUM 5.5EPSS 2.01%

Does this matter?

Lower severity and a low EPSS score (2.01%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0
5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
2.01% probability · 80th percentile
CISA KEV
Not listed
Affected
gnu/libtasn1
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.