CVE-2018-20349 Information

Description

The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) via a crafted object.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://github.com/igraph/igraph/issues/1141 https://lists.debian.org/debian-lts-announce/2019/12/msg00038.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NCGDUNQYLSZLSGN6JJBORVFW46U3A75Y/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OWCGXEINKJM3JQUPVCSN4RBTRKWBTYI7/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5