CVE-2020-10756
Published: August 31, 2023Last modified: August 31, 2023
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libslirp | Not affected (4.7.0-r0) |
| Stream | libslirp | Not affected (4.7.0-r0) |
References
- 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%40lists.fedoraproject.org/message/JYTZ32P67PZER6P7TW6FQK3SZRKQLVEI/
- https://lists.fedoraproject.org/archives/list/[email protected]/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/