CVE-2018-1000654

Severity

71%

Complexity

86%

Confidentiality

115%

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.

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 Base Score 5.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 7.1. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C).

Overview

Type

GNU Libtasn1

First reported 6 years ago

2018-08-20 19:31:00

Last updated 5 years ago

2019-10-03 00:03:00

Affected Software

GNU Libtasn1 4.12

4.12

GNU Libtasn1 4.13

4.13

References

openSUSE-SU-2019:1498

openSUSE-SU-2019:1510

105151

Third Party Advisory, VDB Entry

https://gitlab.com/gnutls/libtasn1/issues/4

Exploit, Third Party Advisory

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