[tor-bugs] #24247 [Core Tor/Tor]: Fuzzing: check_signature mock can be fooled by a really short key.
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Sat Nov 11 19:37:00 UTC 2017
#24247: Fuzzing: check_signature mock can be fooled by a really short key.
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Reporter: nickm | Owner: nickm
Type: defect | Status: assigned
Priority: Medium | Milestone: Tor: 0.3.2.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Description changed by nickm:
Old description:
> Our mock function, mock_crypto_pk_public_checksig__nocheck, fails to
> behave properly when it gets a ridiculously short key: the caller will
> have allocated a small amount, but we'll write a 20-byte digest.
>
> This is causing a false positive on OSS-Fuzz.
New description:
Our mock function, `mock_crypto_pk_public_checksig__nocheck`, fails to
behave properly when it gets a ridiculously short key: the caller will
have allocated a small amount, but we'll write a 20-byte digest.
This is causing a false positive on OSS-Fuzz.
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24247#comment:1>
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