CVE-2017-2620 Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cput...
CriticalCVSS 9.9
EPSS 3.6%
- Published
- Updated
- Exploit status
- No public exploit known
Description
Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/qemu(Debian:12) | < 1:2.8+dfsg-3 | 1:2.8+dfsg-3 |
| debian/qemu(Debian:13) | < 1:2.8+dfsg-3 | 1:2.8+dfsg-3 |
| debian/qemu(Debian:14) | < 1:2.8+dfsg-3 | 1:2.8+dfsg-3 |
| debian/xen(Debian:12) | < 4.4.0-1 | 4.4.0-1 |
| debian/xen(Debian:13) | < 4.4.0-1 | 4.4.0-1 |
| debian/xen(Debian:14) | < 4.4.0-1 | 4.4.0-1 |
| qemu | < 2.8.0 | 2.8.0 |
| citrix xenserver | = 6.0.2 | No fix listed |
| citrix xenserver | = 6.2.0-sp1 | No fix listed |
| citrix xenserver | = 6.5-sp1 | No fix listed |
| citrix xenserver | = 7.0 | No fix listed |
| citrix xenserver | = 7.1 | No fix listed |
| redhat openstack | = 5.0 | No fix listed |
| redhat openstack | = 6.0 | No fix listed |
| redhat openstack | = 7.0 | No fix listed |
| redhat openstack | = 8 | No fix listed |
| redhat openstack | = 9 | No fix listed |
| redhat openstack | = 10 | No fix listed |
| debian linux | = 7.0 | No fix listed |
| redhat enterprise linux desktop | = 6.0 | No fix listed |
| redhat enterprise linux desktop | = 7.0 | No fix listed |
| redhat enterprise linux server | = 6.0 | No fix listed |
| redhat enterprise linux server | = 7.0 | No fix listed |
| redhat enterprise linux server aus | = 7.3 | No fix listed |
| redhat enterprise linux server aus | = 7.4 | No fix listed |
Show 56 more
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat enterprise linux server eus | = 7.3 | No fix listed |
| redhat enterprise linux server eus | = 7.4 | No fix listed |
| redhat enterprise linux server eus | = 7.5 | No fix listed |
| redhat enterprise linux workstation | = 6.0 | No fix listed |
| redhat enterprise linux workstation | = 7.0 | No fix listed |
| Xen | <= 4.7.1 | No fix listed |
| Xen | = 4.7.1-r1 | No fix listed |
| Xen | = 4.7.1-r2 | No fix listed |
| Xen | = 4.7.1-r3 | No fix listed |
| Xen | = 4.7.1-r4 | No fix listed |
| Xen | = 4.7.1-r5 | No fix listed |
| Xen | = 4.7.1-r6 | No fix listed |
| Xen | = 4.7.1-r7 | No fix listed |
| alpine/qemu(Alpine:v3.10) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.11) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.12) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.13) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.14) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.15) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.16) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.17) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.18) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.19) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.20) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.21) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.22) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.23) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.24) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.5) | < 2.8.1.1-r0 | 2.8.1.1-r0 |
| alpine/qemu(Alpine:v3.6) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.7) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.8) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/qemu(Alpine:v3.9) | < 2.8.1-r1 | 2.8.1-r1 |
| alpine/xen(Alpine:v3.10) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.11) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.12) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.13) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.14) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.15) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.16) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.17) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.18) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.19) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.20) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.21) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.22) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.23) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.24) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.3) | < 4.6.3-r8 | 4.6.3-r8 |
| alpine/xen(Alpine:v3.4) | < 4.6.3-r10 | 4.6.3-r10 |
| alpine/xen(Alpine:v3.5) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.6) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.7) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.8) | < 4.7.1-r5 | 4.7.1-r5 |
| alpine/xen(Alpine:v3.9) | < 4.7.1-r5 | 4.7.1-r5 |
| qemu | = 2.8 | No fix listed |
References
- Debian Security Tracker CVE-2017-2620 vendor-advisory
- RHSA-2017:0328 third-party-advisory vendor-advisory
- RHSA-2017:0329 third-party-advisory vendor-advisory
- RHSA-2017:0330 third-party-advisory vendor-advisory
- RHSA-2017:0331 third-party-advisory vendor-advisory
- RHSA-2017:0332 third-party-advisory vendor-advisory
- RHSA-2017:0333 third-party-advisory vendor-advisory
- RHSA-2017:0334 third-party-advisory vendor-advisory
- RHSA-2017:0350 third-party-advisory vendor-advisory
- RHSA-2017:0351 third-party-advisory vendor-advisory
- RHSA-2017:0352 third-party-advisory vendor-advisory
- RHSA-2017:0396 third-party-advisory vendor-advisory
- RHSA-2017:0454 third-party-advisory vendor-advisory
- [oss-security] 20170221 CVE-2017-2620 Qemu: display: cirrus: out-of-bounds access issue while in cirrus_bitblt_cputovideo mailing-list third-party-advisory
- 96378 third-party-advisory vdb-entry
- 1037870 third-party-advisory vdb-entry
- bugzilla.redhat.com issue-tracking third-party-advisory
- [debian-lts-announce] 20180206 [SECURITY] [DLA 1270-1] xen security update mailing-list third-party-advisory
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update mailing-list
- [qemu-devel] 20170221 [PATCH] cirrus: add blit_is_unsafe call to cirrus_bitblt_cputovideo (CVE-2017-2620) mailing-list patch third-party-advisory
- GLSA-201703-07 third-party-advisory vendor-advisory
- GLSA-201704-01 third-party-advisory vendor-advisory
- support.citrix.com third-party-advisory
- xenbits.xen.org third-party-advisory
- security.alpinelinux.org vendor-advisory
- bugs.debian.org issue-tracking