Vulnerability CVE-2018-1000654
Published: 2018-08-20

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.

Type:

CWE-noinfo

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.1/10
6.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
GNU -> Libtasn1 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html
http://www.securityfocus.com/bid/105151
https://gitlab.com/gnutls/libtasn1/issues/4
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