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List:       oss-security
Subject:    [oss-security] CVE-2019-9824 QEMU: Slirp: information leakage in tcp_emu() due to uninitialized stac
From:       P J P <ppandit () redhat ! com>
Date:       2019-03-18 7:26:20
Message-ID: nycvar.YSQ.7.76.1903181240570.16639 () xnncv
[Download RAW message or body]

     Hello,

An information leakage issue was found in the SLiRP networking implementation 
of the QEMU emulator. It occurs in tcp_emu() routine while emulating 
Identification protocol, when crafted messages are sent to make it return 
uninitialized variables.

A user/process could use this flaw to read uninitialised stack memory contents 
from the QEMU process resulting in information leakage.

Upstream patch:
---------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2019-03/msg01871.html

This issue was reported by William Bowling. CVE requested via https://cveform.mitre.org/

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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