libyara3: In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real...
CVE-2019-19648 is fixed in 2 products on 1 platform, first by libyara3 3.9.0-1ubuntu0.1~esm1, released February 4, 2022. It is not reported as exploited. Patch Radar priority: Routine.
In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libyara3 · Ubuntu 20.04 LTS (focal) | 3.9.0-1ubuntu0.1~esm1 | libyara3 3.9.0-1ubuntu0.1~esm1 | Feb 4, 2022 |
| yara · Ubuntu 20.04 LTS (focal) | 3.9.0-1ubuntu0.1~esm1 | yara 3.9.0-1ubuntu0.1~esm1 | Feb 4, 2022 |
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