NULL pointer dereference in graphviz - CVE-2018-10196
Published: May 12, 2023
Vulnerability identifier: #VU76078
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-10196
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: The Graphviz Project
Affected software:
graphviz
graphviz
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the rebuild_vlists() function in lib/dotgen/conc.c within the dotgen library. A remote attacker can trick the victim to open a specially crafted file and crash the application.
How to mitigate CVE-2018-10196
Install update from vendor's website.
Sources
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TWUEEJPMS5LAROYJYY6FREOTI6VPN3M4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N6VR2CT3LD52GWAQUZAOSEXSYE3O7HGN/
- https://gitlab.com/graphviz/graphviz/issues/1367
- https://bugzilla.redhat.com/show_bug.cgi?id=1579254
- https://usn.ubuntu.com/3731-1/
- https://lists.debian.org/debian-lts-announce/2021/05/msg00014.html