Buffer Overflow Affecting qemu-img package, versions <10:1.5.3-141.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-QEMUIMG-4701136
- published26 Jul 2021
- disclosed1 Dec 2016
Introduced: 1 Dec 2016
CVE-2017-2633 (opens in a new tab)How to fix?
Upgrade RHEL:7 qemu-img to version 10:1.5.3-141.el7 or higher.
This issue was patched in RHSA-2017:1856.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process.
References
- http://www.securityfocus.com/bid/96417
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633
- https://git.qemu.org/?p=qemu.git;a=commitdiff;h=9f64916da20eea67121d544698676295bbb105a7
- https://git.qemu.org/?p=qemu.git;a=commitdiff;h=bea60dd7679364493a0d7f5b54316c767cf894ef
- https://access.redhat.com/security/cve/CVE-2017-2633
- http://www.openwall.com/lists/oss-security/2017/02/23/1
- https://access.redhat.com/errata/RHSA-2017:1856
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9f64916da20eea67121d544698676295bbb105a7
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=bea60dd7679364493a0d7f5b54316c767cf894ef