high8.8
CVE-2018-7550
The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh…
Impact
The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Qemu | Qemu | through 2.11.1 |
| Debian | Debian Linux | Versions 7.0, 8.0, 9.0 |
| Canonical | Ubuntu Linux | Versions 14.04, 16.04, 17.10, 18.04 |
| Redhat | Enterprise Linux Desktop | Version 7.0 |
| Redhat | Enterprise Linux Server | Version 7.0 |
| Redhat | Enterprise Linux Server Aus | Versions 7.6, 7.7 |
| Redhat | Enterprise Linux Server Eus | Versions 7.5, 7.6, 7.7 |
| Redhat | Enterprise Linux Server Tus | Versions 7.6, 7.7 |
| Redhat | Enterprise Linux Workstation | Version 7.0 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.securityfocus.com/bid/103181
- https://access.redhat.com/errata/RHSA-2018:1369
- https://access.redhat.com/errata/RHSA-2018:2462
- https://bugzilla.redhat.com/show_bug.cgi?id=1549798
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53
- https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html
- https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html
- https://usn.ubuntu.com/3649-1/
- https://www.debian.org/security/2018/dsa-4213
- http://www.securityfocus.com/bid/103181
- https://access.redhat.com/errata/RHSA-2018:1369
- https://access.redhat.com/errata/RHSA-2018:2462
- https://bugzilla.redhat.com/show_bug.cgi?id=1549798
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53
- https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html
- https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html
- https://usn.ubuntu.com/3649-1/
- https://www.debian.org/security/2018/dsa-4213