Описание
Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.
Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2020-23856
- https://github.com/yangjiageng/PoC/blob/master/PoC_cflow_uaf_parser_line1284
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BLSXGFK2NYPCJMPHSHE3W56ZU3ZO6RD7
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FZTTKZX274BVFZX7TMPEZG6UWL6UPMQF
- https://lists.gnu.org/archive/html/bug-cflow/2020-07/msg00000.html
Связанные уязвимости
Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.
Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.
Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, ...
Уязвимость функции call() компонента src/parser.c анализатора потока управления для исходных файлов C Cflow, связанная с использованием памяти после её освобождения, позволяющая нарушителю вызвать отказ в обслуживании