Vulnerability in driftregion iso14229

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

Driftregion iso14229 before 0.10.1 contains an integer wraparound in Handle_0x38_RequestFileTransfer that lets unauthenticated attackers bypass the file path length check. Attackers can send a short RequestFileTransfer (SID 0x38) request with filePathAndNameLength 0xFFFC-0xFFFF, causing callbacks to read past the receive buffer, crashing targets or disclosing memory.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/driftregion/iso14229
• github.com/driftregion/iso14229/blob/0.10.0/src/server.c
• github.com/driftregion/iso14229/commit/2e36afcd7f0cd02b0c70446c1a265a7b1999d478
• github.com/driftregion/iso14229/releases/tag/0.10.1%2B9e7c47e8
• github.com/driftregion/iso14229/security/advisories/GHSA-5hgv-5fqg-8vcr
• github.com/driftregion/iso14229/security/advisories/GHSA-ph4f-7v39-8hgm
• www.vulncheck.com/advisories/iso14229-before-0.10.1-out-of-bounds-read-via-handle-0x38-…