Medium severity · published Aug 20, 2018
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…
5.5
CVSS
2%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libtasn1 · Gnu
4.12; 4.13 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000654
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-1000654
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00009.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html
Third Party Advisory
http://www.securityfocus.com/bid/105151
Exploit
https://gitlab.com/gnutls/libtasn1/issues/4
lists.apache.org
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
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