[clamav-users] Possible problem with daily.cld 25460 / CVE-2019-0903

Karl Pielorz kpielorz_lst at tdx.co.uk
Mon May 27 08:21:32 UTC 2019



--On 25 May 2019 at 22:24:32 -0700 Al Varnell via clamav-users 
<clamav-users at lists.clamav.net> wrote:

> Appears to be a malformed hex string in 3rd logical expression:
>
>  * SUBSIG ID 2
>  +-> OFFSET: ANY
>  +-> SIGMOD: NONE
>  +-> DECODED SUBSIGNATURE:
> LibClamAV Error: cli_hex2ui(): Malformed hexstring: 1 (length: 1)
> ERROR: Decoding failed (1): <<4#ib4#>0xB1B0AFBA)
> ERROR: Decoding failed

Good find - but bit disappointing if it is that - and it didn't get caught 
(e.g. by QC etc. - malformed hex should really be caught?) - also, nothing 
back from any devs about this? (though realising it was a weekend) - but it 
looks like it could potentially affect 'everyone' :(

-Karl



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