NULL Pointer Dereference

Affecting libtasn1-6 package, versions <4.2-3+deb8u4

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Overview

The _asn1_check_identifier function in GNU Libtasn1 through 4.12 causes a NULL pointer dereference and crash when reading crafted input that triggers assignment of a NULL value within an asn1_node structure. It may lead to a remote denial of service attack.

References

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2017-10790
CWE
CWE-476
Snyk ID
SNYK-DEBIAN8-LIBTASN16-339622
Disclosed
02 Jul, 2017
Published
02 Jul, 2017