CVE-2019-11023 Information

Description

The agroot() function in cgraph\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a NULL pointer dereference as demonstrated by graphml2gv.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00054.html http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00065.html http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00056.html http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00065.html https://gitlab.com/graphviz/graphviz/issues/1517 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLEAHLDJVMAEGA3YMC7KPKJ7ZPXNMJID/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FI3D5TQE3IMCSF5OUTXQL4GVKFCIY5JG/ https://research.loginsoft.com/bugs/null-pointer-dereference-in-function-agroot/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8