Debian LTS: Security Advisory for qemu (DLA-2090-1)

Published: 2020-01-31 04:00:15
CVE Author: NIST National Vulnerability Database (NVD)

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Summary:
The remote host is missing an update for the 'qemu' Linux Distribution Package(s) announced via the DLA-2090-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanag esmemory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.

Affected Versions:
'qemu' Linux Distribution Package(s) on Debian Linux.

Recommendations:
For Debian 8 'Jessie', this problem has been fixed in version 1:2.1+dfsg-12+deb8u13. We recommend that you upgrade your qemu Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2020-7039

References:

https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html
https://security-tracker.debian.org/tracker/DLA-2090-1
https://bugs.debian.org/949085

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Severity
High
CVSS Score
7.5

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