CVE-2017-2620
- State
- Published
- Severity
- 5.5 Medium
- Published
- Jul 27, 2018
- Updated
- Aug 5, 2024
- Reserved
- Dec 1, 2016
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 5.5 Medium | CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L | redhat |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Qemu:QEMU |
|
References
- RHSA-2017:0329vendor-advisory
- RHSA-2017:0334vendor-advisory
- 1037870vdb-entry
- RHSA-2017:0328vendor-advisory
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security updatemailing-list
- RHSA-2017:0333vendor-advisory
- RHSA-2017:0351vendor-advisory
- RHSA-2017:0454vendor-advisory
- https://xenbits.xen.org/xsa/advisory-209.html
- RHSA-2017:0331vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2620
- [oss-security] 20170221 CVE-2017-2620 Qemu: display: cirrus: out-of-bounds access issue while in cirrus_bitblt_cputovideomailing-list
- RHSA-2017:0350vendor-advisory
- [debian-lts-announce] 20180206 [SECURITY] [DLA 1270-1] xen security updatemailing-list
- RHSA-2017:0396vendor-advisory
- GLSA-201704-01vendor-advisory
- [qemu-devel] 20170221 [PATCH] cirrus: add blit_is_unsafe call to cirrus_bitblt_cputovideo (CVE-2017-2620)mailing-list
- RHSA-2017:0352vendor-advisory
- RHSA-2017:0330vendor-advisory
- RHSA-2017:0332vendor-advisory
- 96378vdb-entry
- https://support.citrix.com/article/CTX220771
- GLSA-201703-07vendor-advisory
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