Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libslirp Project | Libslirp | < 4.3.1 |
| Redhat | Openstack | 13 |
| Redhat | Enterprise Linux | 7.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00035.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00040.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1835986Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20201001-0001/Third Party Advisory
- https://usn.ubuntu.com/4437-1/Third Party Advisory
- https://usn.ubuntu.com/4467-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4728Mailing ListThird Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1005/Third Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00035.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00040.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1835986Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2020-10756?
CVE-2020-10756 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...
How severe is CVE-2020-10756?
CVE-2020-10756 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-10756?
Check the references section above for vendor advisories and patch information. Affected products include: Libslirp Project Libslirp, Redhat Openstack, Redhat Enterprise Linux, Canonical Ubuntu Linux, Debian Debian Linux.