CVE-2020-10756 Information

Description

An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the icmp6_send_echoreply() routine while replying to an ICMP echo request also known as ping. This flaw allows a malicious guest to leak the contents of the host memory resulting in possible information disclosure. This flaw affects versions of libslirp before 4.3.1.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00035.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00040.html https://bugzilla.redhat.com/show_bug.cgi?id=1835986 https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JYTZ32P67PZER6P7TW6FQK3SZRKQLVEI/ https://security.netapp.com/advisory/ntap-20201001-0001/ https://usn.ubuntu.com/4437-1/ https://usn.ubuntu.com/4467-1/ https://www.debian.org/security/2020/dsa-4728 https://www.zerodayinitiative.com/advisories/ZDI-20-1005/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5