An issue was discovered in Poppler 0.71.0. There is a NULL pointer dereference in goo/GooString.h, will lead to denial of service, as demonstrated by utils/pdfdetach.cc not validating a filename of an embedded file before constructing a save path.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Poppler | Freedesktop | 0.71.0 (including) | 0.71.0 (including) |
| Red Hat Enterprise Linux 7 | RedHat | evince-0:3.28.2-8.el7 | * |
| Red Hat Enterprise Linux 7 | RedHat | okular-0:4.10.5-7.el7 | * |
| Red Hat Enterprise Linux 7 | RedHat | poppler-0:0.26.5-38.el7 | * |
| Poppler | Ubuntu | bionic | * |
| Poppler | Ubuntu | cosmic | * |
| Poppler | Ubuntu | devel | * |
| Poppler | Ubuntu | trusty | * |
| Poppler | Ubuntu | xenial | * |