Description
A vulnerability was found in janet-lang janet up to 1.40.1. This affects the function os_strftime of the file src/core/os.c. Performing a manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit has been made public and could be used. The patch is named 0f285855f0e34f9183956be5f16e045f54626bff. To fix this issue, it is recommended to deploy a patch.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| janet-lang | janet | 1.40.0, 1.40.1 | — |
References
- VDB-344980 | janet-lang janet os.c os_strftime out-of-bounds vdb-entry technical-description
- VDB-344980 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #753156 | janet-lang janet c43e066 Heap-based Buffer Overflow third-party-advisory
- https://github.com/janet-lang/janet/issues/1701 issue-tracking
- https://github.com/janet-lang/janet/issues/1701#event-4446770461 issue-tracking
- https://github.com/oneafter/0123/blob/main/ja3/repro exploit
- https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bff patch
- https://github.com/janet-lang/janet/ product