OSV-2020-657 UNKNOWN READ in perfetto::trace_processor::ProtoTraceParser::ParseTypedFtraceToRaw
An unknown read vulnerability in the Perfetto trace processor can cause a crash when parsing malformed ftrace data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2020-657?
OSV-2020-657 is a memory corruption vulnerability in perfetto, published on 1 Jul 2020.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13724
Crash type: UNKNOWN READ
Crash state:
perfetto::trace_processor::ProtoTraceParser::ParseTypedFtraceToRaw
perfetto::trace_processor::ProtoTraceParser::ParseFtracePacket
perfetto::trace_processor::TraceSorter::SortAndExtractEventsBeyondWindow
Which versions are affected by OSV-2020-657?
1 open source package ship an affected version, including perfetto.
| Package | Affected | Fixed in |
|---|---|---|
perfetto OSS-Fuzz | All versions | None |
How do I fix OSV-2020-657?
No fix has been published for OSV-2020-657 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is OSV-2020-657 being exploited?
There is no known exploitation of OSV-2020-657 in the wild and no public exploit code.