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Ubuntu: USN-5352-1 (CVE-2018-1000654): Libtasn1 vulnerability

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Ubuntu: USN-5352-1 (CVE-2018-1000654): Libtasn1 vulnerability

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
08/20/2018
Created
03/31/2022
Added
03/29/2022
Modified
03/22/2023

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.

Solution(s)

  • ubuntu-upgrade-libtasn1-6
  • ubuntu-upgrade-libtasn1-bin

References

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