A NULL pointer dereference vulnerability exists in the function PdfTranslator::setTarget() in pdftranslator.cpp of PoDoFo 0.9.6, while creating the PdfXObject, as demonstrated by podofoimpose. It allows an attacker to cause Denial of Service.
Weakness
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Podofo | Podofo_project | 0.9.6 (including) | 0.9.6 (including) |
| Libpodofo | Ubuntu | bionic | * |
| Libpodofo | Ubuntu | cosmic | * |
| Libpodofo | Ubuntu | esm-apps/bionic | * |
| Libpodofo | Ubuntu | esm-apps/xenial | * |
| Libpodofo | Ubuntu | trusty | * |
| Libpodofo | Ubuntu | trusty/esm | * |
| Libpodofo | Ubuntu | xenial | * |
Potential Mitigations
References
- https://research.loginsoft.com/bugs/null-pointer-dereference-vulnerability-in-pdftranslatorsettarget-podofo-0-9-6/
- https://sourceforge.net/p/podofo/tickets/32/
- https://research.loginsoft.com/bugs/null-pointer-dereference-vulnerability-in-pdftranslatorsettarget-podofo-0-9-6/
- https://sourceforge.net/p/podofo/tickets/32/