In LibreCAD 2.2.0, a NULL pointer dereference in the HATCH handling of libdxfrw allows an attacker to crash the application using a crafted DXF document.
Weakness
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Librecad | Librecad | 2.2.0 (including) | 2.2.0 (including) |
| Librecad | Ubuntu | bionic | * |
| Librecad | Ubuntu | esm-apps/bionic | * |
| Librecad | Ubuntu | esm-apps/focal | * |
| Librecad | Ubuntu | esm-apps/jammy | * |
| Librecad | Ubuntu | esm-apps/xenial | * |
| Librecad | Ubuntu | focal | * |
| Librecad | Ubuntu | impish | * |
| Librecad | Ubuntu | jammy | * |
| Librecad | Ubuntu | kinetic | * |
| Librecad | Ubuntu | lunar | * |
| Librecad | Ubuntu | mantic | * |
| Librecad | Ubuntu | oracular | * |
| Librecad | Ubuntu | trusty | * |
| Librecad | Ubuntu | xenial | * |
Potential Mitigations
References
- https://github.com/LibreCAD/LibreCAD/issues/1468
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/
- https://security.gentoo.org/glsa/202305-26
- https://www.debian.org/security/2022/dsa-5077
- https://github.com/LibreCAD/LibreCAD/issues/1468
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/
- https://security.gentoo.org/glsa/202305-26
- https://www.debian.org/security/2022/dsa-5077